
Pizza
Slice Theory 21595 Smithswitch Road Unit B
21595 Smithswitch Road Unit B
Suite B
Ashburn, VA 20147
Orders through Toast are commission free and go directly to this restaurant
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.$9.00Mushroom 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.$6.00The 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 Cantenation
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?$24.0016" 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.$7.00The Caesar Constant Side
Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing.$7.00The Golden Ratio Side
Heirloom tomatoes, fresh basil, burrata, balsamic glaze.$7.00The 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.$14.00The Caesar Constant Entree
Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing.$14.00The Golden Ratio Entree
Heirloom tomatoes, fresh basil, burrata, balsamic glaze.$14.00The 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)$25.00The Caesar Constant Sm Party
Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing. (8-12 People)$25.00The Golden Ratio Sm Party
Heirloom tomatoes, fresh basil, burrata, balsamic glaze. (8-12 People)$25.00The 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)$65.00The Caesar Constant LG Party
Romaine hearts, heirloom tomatoes, bacon, parmesan, Caesar dressing. (20-25 People)$65.00The Golden Ratio LG Party
Heirloom tomatoes, fresh basil, burrata, balsamic glaze. (20-25 People)$65.00The 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.$8.00The 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.$30.00Chips
House-made Chips. Sea Salt$3.00Fries
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.$9.00Side of Sauce
Dip it up.Pizza Seasonings
Seasonings for your pizzaTender 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$15.00The Redshift (Pizza Sub)
Marinara, mozzarella, and three toppings of choice. Served with Chips$15.00The 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.$15.00OUT OF STOCKChicken Tender Wrap
$12.00Chicken Caesar Wrap
$12.00Buffalo 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.$12.00Chicken 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.$3.78Event Horizon Brownie
Dense, pudgy & dangerously delicious. Once you start, there's no turning back.$4.72RGB Prism Cake
A Sugary supernova trapped in buttercream gravity cake.$5.67Lemon 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.$10.38Movie Theater Box Candy
$2.84
Mini Theorists
Crispy Comets
2 Tenders with Yukon Gold Fries. Your Choice of Dip.$10.00Proton Pup
All Beef Hot Dog, Ketchup and Mustard on the side Comes with House-made Potato Chips.$10.00OUT OF STOCKMelted Nebula
Quesadilla with Mexican Blended Cheese, Served with a side of salsa and Sour Cream$10.00Wrap 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
$3.54Shirley Temple
$3.54Hot 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
$4.012 Liter's
$4.01Milk
$3.30Chocolate Milk
$3.30
Red Bull
$3.54Apple Juice Bottle
$3.30
Sprecher Sodas
$3.54
Cheerwine
$3.54
S.Pellegrino
$2.60
Harney and Sons Drink
$3.54Coconut Water
$4.01
All hours
| Sunday | 11:00 am - 10:00 pm |
| Monday | 10:00 am - 10:00 pm |
| Tuesday | 10:00 am - 10:00 pm |
| Wednesday | 10:00 am - 10:00 pm |
| Thursday | 10:00 am - 10:00 pm |
| Friday | 10:00 am - 10:00 pm |
| Saturday | 11:00 am - 10:00 pm |
Restaurant info
At Slice Theory, we’re not here to reinvent the wheel — just to slice it better. Our mission is to serve up dangerously delicious pizza with a side of humility and a sprinkle of good vibes. We believe in crispy crusts, melty cheese, and treating every guest like a regular (even if it’s your first time). We're just a small team with big dreams and even bigger slices, doing our best to make the world a little saucier — one bite at a time.
Location