Pizza
Slice Theory 21595 Smithswitch Road Unit B
Orders through Toast are commission free and go directly to this restaurant
Featured Items
Chips
House-made Chips. Sea Salt$3.00
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
12" Half and Half Specialty
Can't choose between all the choices, get two different pies?$18.00
Slice Theory Menu
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 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.$18.0012" 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.$18.0012" 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.$11.5010" The Hypothesis (GF)
Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano. Every great Theory Starts Simple$14.0010" The Axiom (GF)
Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.$14.0010" 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.$14.0010" The Fusion (GF)
Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.$14.0010" 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).$14.0010" The Paradigm (GF)
Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.$14.0010" The Infinity (GF)
Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.$14.0010" The Constant (GF)
Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.$14.0010" 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.$14.0010" 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.$16.0014" The Hypothesis (GF)
Mozzarella (x2), Tomato Sauce, Parmesan, Fresh Oregano. Every great Theory Starts Simple$20.0014" The Axiom (GF)
Pepperoni, Cup Pepperoni, Mozzarella, Parm, Tomato sauce, Fresh Oregano. A self-evident truth wrapped in crispy crust.$20.0014" 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.$20.0014" The Fusion (GF)
Shaved Ham, Ginger Pineapple, Mozzarella, Tomato Sauce, Parm, Fresh Parsley. A controversial equation, banned in 6 galaxies. Loved in this.$20.0014" 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).$20.0014" The Paradigm (GF)
Balsamic Tomatoes, Parmesan, Fresh Basil, Mozzarella, Stracciatella. The Margherita that graduated top of its class.$20.0014" The Infinity (GF)
Garlic Cream Sauce, Whipped Ricotta, Parmesan, Mozzarella, Fresh Parsley. A cheesy creamy loop that never ends, thankfully.$20.0014" The Constant (GF)
Balsamic Tomatoes, Sautéed Spinach, Roasted Mushrooms, Red Onions, Parm, Tomato Sauce, Mozzarella. Pizza's so green, it photosynthesizes.$20.0014" 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.$20.0014" 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.$20.0014" Half and Half Specialty (GF)
Can't choose between all the choices, get two different pies?$20.00
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.$12.00OUT OF STOCK
Wing Dynamics (12 Count)
Buffalo garlic, BBQ jerk, honey chipotle, maple sriracha, garlic parmesan.$18.00OUT OF STOCK
Wing Dynamics (25 Count)
Buffalo garlic, BBQ jerk, honey chipotle, maple sriracha, garlic parmesan.$30.00OUT OF STOCKChips
House-made Chips. Sea Salt$3.00Fries
Yukon Potatoes, Sea Salt$5.00Buffalo 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.$15.00Chicken 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
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
ID REQUIRED
Prosecco Single Serve
$10.00
1
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
21595 Smithswitch Road Unit B, Suite B, Ashburn, VA 20147
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