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  • Slice Theory

Slice Theory 21595 Smithswitch Road Unit B

21595 Smithswitch Road Unit B, Suite B, Ashburn, VA
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Area 51
Slices
12" Pizzas
16" Pizzas
10" Gluten Free Pizza
14" Gluten Free Pizza
Side Salads
Entree Salads
Small Group Salads
Large Group Salads
Appetizers and Sides
Subs and Wraps
Desserts
Mini Theorists
Drinks

Featured Items

  • 16" The Axiom (Pepperoni)

    Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.
    $24.00
  • 16" Create Your Own

    You be the Scientist, and create your own formula.
    $20.00
  • Sprecher Sodas

    $3.54

Area 51

  • The Mandala (Butter Chicken)

    Rich butter chicken sauce, grilled chicken, mozzarella, sweet peppers, roasted tomatoes, red onion, cilantro with a squeeze of lime.
    $16.00+
  • Sids Entropy

    Tomato Sauce, Cup Pepperoni, Fresh Basil, Stracciatella, Mikes Hot Honey Drizzle
    $21.00+
  • Rob's Catenation

    Garlic Cream Sauce, Ricotta, Cup Pepperoni, Mike's Hot Honey Drizzle.
    $21.00+
  • Buffalo Fries

    Yukon Potatoes Tossed in Buffalo Dry Seasoning. Served with a Side of Ranch or Blue Cheese, House Buffalo Sauce, Carrots and Celery.
    $9.00
  • Mushroom Mayhem

    Garlic Cream Sauce, Mozzarella Cheddar Blend, Roasted Mushrooms, Calabrian Truffle Chili Crisp
    $21.00+

Slices

All Slices are made with hand tossed Dough. No additions or subtractions.
  • The Hypothesis (Slice)

    Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano. Every great Theory Starts Simple
    $5.00
  • The Axiom (Slice)

    Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.
    $5.00
  • The Quantum (Slice)

    Pepperoni, Italian Sausage, Green Peppers, Red Onions, Roasted Mushrooms, Tomato sauce, Parm, Mozzarella Fresh Oregano. The multiverse of meat and veggies collapsed into your mouth.
    $6.00
  • The Fusion (Slice)

    Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.
    $6.00
  • The Big Bang (Slice)

    Four Meats. One bite that started it all (and ended your diet). Pepperoni, Italian Sausage, Applewood Bacon, Shaved Ham, Mozzarella, and Fresh Oregano.
    $6.00
  • The Paradigm (Slice)

    Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.
    $6.00
  • The Infinity (Slice)

    Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.
    $6.00
  • The Constant (Slice)

    Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.
    $6.00
  • The Catalyst (Slice)

    A chain reaction of smoky-sweet satisfaction. Balsamic BBQ Sauce, Grilled Chicken, Red Onion, Mozzarella, Fresh Cilantro.
    $6.00
  • The Fractal (Slice)

    Zoom in, zoom out -- it's Buffalo Chicken all the way down. Fried Chicken, Red Onions, Mozz-Ched Blend, Parmesan, Garlic Cream Sauce, Buffalo Drizzle, (Your Choice of Ranch or Blue Cheese Drizzle)
    $6.00
  • Sid's Entropy

    $6.00
  • Rob's Catenation

    Garlic Cream Sauce, Ricotta, Cup Pepperoni, Mike's Hot Honey Drizzle.
    $6.00
  • Mushroom Mayhem

    Garlic Cream Sauce, Mozzarella Cheddar Blend, Roasted Mushrooms, Calabrian Truffle Chili Crisp
    $6.00
  • The Mandala

    Rich butter chicken sauce, grilled chicken, mozzarella, sweet peppers, roasted tomatoes, red onion, cilantro with a squeeze of lime.
    $6.00

12" Pizzas

  • 12" Create your Own

    You be the Scientist, and create your own formula.
    $14.00
  • 12" The Hypothesis (Cheese)

    Every great Theory Starts Simple Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano.
    $18.00
  • 12" The Axiom (Pepperoni)

    Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.
    $18.00
  • 12" The Quantum (Supreme)

    Pepperoni, Italian Sausage, Green Peppers, Red Onions, Roasted Mushrooms, Tomato sauce, Parm, Mozzarella Fresh Oregano. The multiverse of meat and veggies collapsed into your mouth.
    $18.00
  • 12" The Fusion (Ham and Pineapple)

    Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.
    $18.00
  • 12" The Big Bang (Meat Lovers)

    Pepperoni, Italian Sausage, Applewood Bacon, Shaved Ham, Mozzarella, Parm, Fresh Oregano. Four Meats. One bite that started it all (and ended your diet).
    $18.00
  • 12" The Paradigm (Margherita)

    Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.
    $18.00
  • 12" The Infinity (White)

    Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.
    $18.00
  • 12" The Constant (Veggie)

    Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.
    $18.00
  • 12" The Catalyst (BBQ Chicken)

    Garlic Cream Sauce, Balsamic BBQ Sauce, Grilled Chicken, Grilled Red Onion, Cheddar Mozz Blend, Fresh Cilantro. A chain reaction of smoky-sweet satisfaction.
    $18.00
  • 12" The Fractal (Buffalo Chicken)

    Fried Chicken, Grilled Red Onions, Mozz-Ched Blend, Garlic Cream Sauce, Buffalo Drizzle, (Your Choice of Ranch or Blue Cheese Drizzle). Zoom in, zoom out -- it's Buffalo Chicken all the way down.
    $18.00
  • 12" Half and Half Specialty

    Can't choose between all the choices, get two different pies?
    $18.00

16" Pizzas

  • 16" Create Your Own

    You be the Scientist, and create your own formula.
    $20.00
  • 16" The Hypothesis (Cheese)

    Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano. Every great Theory Starts Simple
    $24.00
  • 16" The Axiom (Pepperoni)

    Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.
    $24.00
  • 16" The Quantum (Supreme)

    Pepperoni, Italian Sausage, Green Peppers, Red Onions, Roasted Mushrooms, Tomato sauce, Parm, Mozzarella Fresh Oregano. The multiverse of meat and veggies collapsed into your mouth.
    $24.00
  • 16" The Fusion (Ham and Pineapple)

    Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.
    $24.00
  • 16" The Big Bang (Meat Lovers)

    Pepperoni, Italian Sausage, Applewood Bacon, Shaved Ham, Mozzarella, Parm, Fresh Oregano. Four Meats. One bite that started it all (and ended your diet).
    $24.00
  • 16" The Paradigm (Margherita)

    Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.
    $24.00
  • 16" The Infinity (White)

    Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.
    $24.00
  • 16" The Constant (Veggie)

    Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.
    $24.00
  • 16" The Catalyst (BBQ Chicken)

    Garlic Cream Sauce, Balsamic BBQ Sauce, Grilled Chicken, Grilled Red Onion, Cheddar Mozz Blend, Fresh Cilantro. A chain reaction of smoky-sweet satisfaction.
    $24.00
  • 16" The Fractal (Buffalo Chicken)

    Fried Chicken, Grilled Red Onions, Mozz-Ched Blend, Garlic Cream Sauce, Buffalo Drizzle, (Your Choice of Ranch or Blue Cheese Drizzle). Zoom in, zoom out -- it's Buffalo Chicken all the way down.
    $24.00
  • 16" Half and Half Specialty

    Can't choose between all the choices, get two different pies?
    $24.00
  • 16" Rob's Catenation

    $27.00

10" Gluten Free Pizza

Cauliflower Crust. Pizzas are cooked and prepared in a kitchen that has gluten. Those extremely sensitive to Gluten should avoid this option.
  • 10" Create your Own (GF)

    You be the Scientist, and create your own formula.
    $11.50
  • 10" The Hypothesis (GF)

    Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano. Every great Theory Starts Simple
    $14.00
  • 10" The Axiom (GF)

    Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.
    $14.00
  • 10" The Quantum (GF)

    Pepperoni, Italian Sausage, Green Peppers, Red Onions, Roasted Mushrooms, Tomato sauce, Parm, Mozzarella Fresh Oregano. The multiverse of meat and veggies collapsed into your mouth.
    $14.00
  • 10" The Fusion (GF)

    Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.
    $14.00
  • 10" The Big Bang (GF)

    Pepperoni, Italian Sausage, Applewood Bacon, Shaved Ham, Mozzarella, Parm, Fresh Oregano. Four Meats. One bite that started it all (and ended your diet).
    $14.00
  • 10" The Paradigm (GF)

    Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.
    $14.00
  • 10" The Infinity (GF)

    Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.
    $14.00
  • 10" The Constant (GF)

    Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.
    $14.00
  • 10" The Catalyst (GF)

    Garlic Cream Sauce, Balsamic BBQ Sauce, Grilled Chicken, Grilled Red Onion, Cheddar Mozz Blend, Fresh Cilantro. A chain reaction of smoky-sweet satisfaction.
    $14.00
  • 10" The Fractal (GF)

    Grilled Chicken, Grilled Red Onions, Mozz-Ched Blend, Garlic Cream Sauce, Buffalo Drizzle, (Your Choice of Ranch or Blue Cheese Drizzle). Zoom in, zoom out -- it's Buffalo Chicken all the way down.
    $14.00

14" Gluten Free Pizza

Cauliflower Crust. Pizzas are cooked and prepared in a kitchen that has gluten. Those extremely sensitive to Gluten should avoid this option.
  • 14" Create your Own (GF)

    You be the Scientist, and create your own formula.
    $16.00
  • 14" The Hypothesis (GF)

    Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano. Every great Theory Starts Simple
    $20.00
  • 14" The Axiom (GF)

    Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.
    $20.00
  • 14" The Quantum (GF)

    Pepperoni, Italian Sausage, Green Peppers, Red Onions, Roasted Mushrooms, Tomato sauce, Parm, Mozzarella Fresh Oregano. The multiverse of meat and veggies collapsed into your mouth.
    $20.00
  • 14" The Fusion (GF)

    Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.
    $20.00
  • 14" The Big Bang (GF)

    Pepperoni, Italian Sausage, Applewood Bacon, Shaved Ham, Mozzarella, Parm, Fresh Oregano. Four Meats. One bite that started it all (and ended your diet).
    $20.00
  • 14" The Paradigm (GF)

    Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.
    $20.00
  • 14" The Infinity (GF)

    Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.
    $20.00
  • 14" The Constant (GF)

    Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.
    $20.00
  • 14" The Catalyst (GF)

    Garlic Cream Sauce, Balsamic BBQ Sauce, Grilled Chicken, Grilled Red Onion, Cheddar Mozz Blend, Fresh Cilantro. A chain reaction of smoky-sweet satisfaction.
    $20.00
  • 14" The Fractal (GF)

    Grilled Chicken, Grilled Red Onions, Mozz-Ched Blend, Garlic Cream Sauce, Buffalo Drizzle, (Your Choice of Ranch or Blue Cheese Drizzle). Zoom in, zoom out -- it's Buffalo Chicken all the way down. all the way down.
    $20.00
  • 14" Half and Half Specialty (GF)

    Can't choose between all the choices, get two different pies?
    $20.00

Side Salads

  • The Green Equation Side

    Arcadian mixed greens, seasonal veggies, house-made ranch.
    $7.00
  • The Caesar Constant Side

    Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing.
    $7.00
  • The Golden Ratio Side

    Heirloom tomatoes, fresh basil, burrata, balsamic glaze.
    $7.00
  • The Atomic Chop Side

    Trio of Italian Meats, Provolone, Chickpeas, Heirloom Tomatoes, Kalamata Olives, Shaved Parm, and Green Peppers, Served with a Red Wine Vinaigrette.
    $7.00

Entree Salads

  • The Green Equation Entree

    Arcadian mixed greens, seasonal veggies, house-made ranch.
    $14.00
  • The Caesar Constant Entree

    Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing.
    $14.00
  • The Golden Ratio Entree

    Heirloom tomatoes, fresh basil, burrata, balsamic glaze.
    $14.00
  • The Atomic Chop Entree

    Trio of Italian Meats, Provolone, Chickpeas, Heirloom Tomatoes, Kalamata Olives, Shaved Parm, and Green Peppers, Served with a Red Wine Vinaigrette.
    $14.00

Small Group Salads

Feeds 8-12 People
  • The Green Equation Sm Party

    Arcadian mixed greens, seasonal veggies, house-made ranch. (8-12 People)
    $25.00
  • The Caesar Constant Sm Party

    Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing. (8-12 People)
    $25.00
  • The Golden Ratio Sm Party

    Heirloom tomatoes, fresh basil, burrata, balsamic glaze. (8-12 People)
    $25.00
  • The Atomic Chop Sm Party

    Trio of Italian Meats, Provolone, Chickpeas, Heirloom Tomatoes, Kalamata Olives, Shaved Parm, and Green Peppers, Served with a Red Wine Vinaigrette.
    $25.00

Large Group Salads

Feeds 25 People
  • The Green Equation LG Party

    Arcadian mixed greens, seasonal veggies, house-made ranch. (20-25 People)
    $65.00
  • The Caesar Constant LG Party

    Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing. (20-25 People)
    $65.00
  • The Golden Ratio LG Party

    Heirloom tomatoes, fresh basil, burrata, balsamic glaze. (20-25 People)
    $65.00
  • The Atomic Chop Lg Party

    Trio of Italian Meats, Provolone, Chickpeas, Heirloom Tomatoes, Kalamata Olives, Shaved Parm, and Green Peppers, Served with a Red Wine Vinaigrette.
    $65.00

Appetizers and Sides

  • Breadsticks & Beyond

    Classic garlic breadsticks with parmesan served with Marinara.
    $8.00
  • The Cheesy Anomaly

    House-made garlic butter spread, cheddar blend, herbs, marinara.
    $9.00
  • Wing Dynamics (8 Count)

    Buffalo garlic, BBQ jerk, honey chipotle, maple sriracha, garlic parmesan.
    $12.00
  • Wing Dynamics (12 Count)

    Buffalo garlic, BBQ jerk, honey chipotle, maple sriracha, garlic parmesan.
    $18.00
  • Wing Dynamics (25 Count)

    Buffalo garlic, BBQ jerk, honey chipotle, maple sriracha, garlic parmesan.
    $30.00
  • Chips

    House-made Chips. Sea Salt
    $3.00
  • Fries

    Yukon Potatoes, Sea Salt
    $5.00
  • Buffalo Fries

    Yukon Potatoes Tossed in Buffalo Dry Seasoning. Served with a Side of Ranch or Blue Cheese, House Buffalo Sauce, Carrots and Celery.
    $9.00
  • Side of Sauce

    Dip it up.
  • Pizza Seasonings

    Seasonings for your pizza
  • Tender Platter

    3 or 5 tenders served with Yukon Gold Fries. Your choice of dip.
    $12.00+
  • Mikes Hot Honey Cup

    $1.50
  • Mozz Sticks

    5 Mozz Sticks Served With Marinara.
    $10.00

Subs and Wraps

Served on a 9 inch amaroso crusty roll.
  • Velocity Cheesesteak

    Shaved ribeye, provolone or Cheese Wiz sauce, grilled, mushrooms and onions on a toasted roll. Served with Chips
    $20.00
  • The BLT Principle

    Hot Honey Garlic Thick cut Bacon, lettuce, tomatoes, mayo. Served with Chips
    $15.00
  • The Redshift (Pizza Sub)

    Marinara, mozzarella, and three toppings of choice. Served with Chips
    $15.00
  • The Italian Theorem

    Provolone, Pepperoni, Hot Coppa, Genoa Salami, Prosciutto, Bibb lettuce, tomato, red wine vinaigrette. Served with Chips.
    $15.00
  • Absolute Zero (Club)

    Ham, Turkey Breast, Bacon, Provolone, Mayo, Bibb Lettuce, Tomato. Served with chips.
    OUT OF STOCK
    $15.00
  • Chicken Tender Wrap

    $12.00
  • Chicken Caesar Wrap

    $12.00
  • Buffalo Wrap

    2 Chicken Tenders Drenched in Buffalo Sauce, Wrapped in a warm tortilla with Mozzarella and Romaine. Your Choice of Ranch or Blue Cheese Dressing.
    $12.00
  • Chicken Melt

    Grilled Chicken, Caramelized Onions, Provolone, Mayo
    $15.00

Desserts

  • Dark Matter Cookies

    Soft, warm & impossible to resist. A mystery of chocolate, solved in every bite.
    $3.78
  • Event Horizon Brownie

    Dense, pudgy & dangerously delicious. Once you start, there's no turning back.
    $4.72
  • RGB Prism Cake

    A Sugary supernova trapped in buttercream gravity cake.
    $5.67
  • Lemon Bar

    Tiny particles of citrus flavor collide in perfect balance. Tangy lemon curd layered on crisp shortbread, topped with powdered sugar.
    $4.72
  • S'mores Galaxy

    A Swirl of Nutella, Marshmallow, Graham Cracker & Hershey's Chocolate orbiting in harmony. Pure gravitational pull for your sweet tooth.
    $10.38
  • Movie Theater Box Candy

    $2.84

Mini Theorists

  • Crispy Comets

    2 Tenders with Yukon Gold Fries. Your Choice of Dip.
    $10.00
  • Proton Pup

    All Beef Hot Dog, Ketchup and Mustard on the side Comes with House-made Potato Chips.
    OUT OF STOCK
    $10.00
  • Melted Nebula

    Quesadilla with Mexican Blended Cheese, Served with a side of salsa and Sour Cream
    $10.00
  • Wrap Rocket

    Chicken tender, Romaine, Tomato, Cheddar blend, Wrapped in a Grilled Tortilla. Your Choice of Dressing. Homemade Chips.
    $10.00

Drinks

  • Bottled Water

    20 oz Deer Park Bottle
    $2.12
  • 20 oz Bottled Drinks

    Assorted Coke Products
    $2.39
  • Red Bull

    $3.54
  • Shirley Temple

    $3.54
  • Hot Chocolate

    $3.54+
  • White Monster

    $3.54
  • Jarritos

    $3.54
  • Coca-Cola, Glass Bottle

    Coca-Cola Original Taste — the crisp, refreshing taste you know and love
    $3.54
  • Illy Coffee Cold Brew Can

    $4.01
  • 2 Liter's

    $4.01
  • Milk

    $3.30
  • Chocolate Milk

    $3.30
  • Red Bull

    $3.54
  • Apple Juice Bottle

    $3.30
  • Sprecher Sodas

    $3.54
  • Cheerwine

    $3.54
  • S.Pellegrino

    $2.60
  • Harney and Sons Drink

    $3.54
  • Coconut Water

    $4.01

Slice Theory Location and Hours

(571) 291-2025
21595 Smithswitch Road Unit B, Suite B, Ashburn, VA 20147
Open now • Closes at 10PM
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