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Free online orderingMore than 153,415,188 people served

Mellow Mushroom

4716 Mid Rivers Mall Dr, St. Peters, MO
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4.8
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Filled StarFilled StarFilled StarFilled StarFilled StarFilled StarFilled StarFilled StarFilled StarFilled Star
4.8
4716 Mid Rivers Mall Dr, St. Peters, MO
Our mission is to provide an eclectic and creative collection of munchies, salads, pizzas, calzones, and hoagies. We are the originators of the classic Southern pizza, and our unique and flavorful crust is a true original. Our humble roots took their footing in the 1970s. We believed then what we believe now: happiness can be found in the simplest things, like a mouthwatering slice of pizza. Keep it mellow at your next event! - Mellow Mushroom
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Filter by Diet

Boxed Lunches

Sandwich Box Lunch
$14.00
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individually packaged
Each box includes your choices of sandwich & side with 2 small bite cookies.
Salad Box Lunch
$14.00
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individually packaged
Each box includes your choice of salad.

Appetizers

Oven-Roasted Wings
$45.00
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Most Orderedserves 10
Your choice of wings. Served with carrots, celery, and your choice of dressing.
Hummus Three-Way
$40.00
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serves 10
Includes traditional, sweet Thai chili, and pesto hummus. Served with pita, garlic toast points, and vegetables.
Vegetarian
vegetarian
Pretzel Bites
$25.00
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serves 10
Oven-baked and tossed in garlic butter and Parmesan. Served with Pabst Blue Ribbon™ beer cheese.
Vegetarian
vegetarian
Spinach Artichoke Dip
$40.00
Row Angle Right
serves 10
Five cheese blend baked with spinach & artichokes. Served with garlic toast points.
Vegetarian
vegetarian

Individually Packaged Appetizers

Individual Pretzel Bites
$7.49
Row Angle Right
individually packaged
Oven-baked and tossed in garlic butter and Parmesan. Served with Pabst Blue Ribbon™ beer cheese.
Vegetarian
vegetarian
Individual Oven-Roasted Wings
$10.99
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individually packaged
Ten oven roasted wings with your choice of sauce and dressing. Served with carrots and celery.
Individual Hummus
$5.99
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individually packaged
With olive oil, paprika, and your choice of side.

Stone-Baked Pizzas

Mighty Meaty Pizza
$29.00
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Most Orderedserves 5
Mellow red sauce base with pepperoni, Italian sausage, ham, applewood-smoked bacon, ground beef, and mozzarella. Finished with garlic butter and sprinkled with parmesan.
House Special Pizza
$29.00
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serves 5
Red sauce base with pepperoni, Italian sausage, honey ham, applewood-smoked bacon, ground beef, mushrooms, black olives, green peppers, sweet onions, Roma tomatoes, and extra mozzarella. Finished with garlic butter and sprinkled with parmesan.
Great White Pizza
$29.00
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serves 5
Olive oil & garlic base with onions, Roma tomatoes, sun-dried roasted tomatoes, feta, provolone, mozzarella, ricotta, basil, and onions.
Vegetarian
vegetarian
Buffalo Chicken Pizza
$29.00
Row Angle Right
serves 5
With Buffalo chicken, applewood-smoked bacon, caramelized onions, mozzarella, a swirl of Buffalo sauce, and your choice of swirl.
Kosmic Karma Pizza
$29.00
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serves 5
Mellow red sauce base with spinach, roasted tomatoes, Roma tomatoes, feta, mozzarella, and a pesto swirl. Finished with garlic butter and sprinkled with parmesan.
Vegetarian
vegetarian
Funky Q Chicken Pizza
$29.00
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serves 5
With BBQ chicken, applewood-smoked bacon, caramelized onions, cheddar, mozzarella, and a BBQ sauce swirl. Finished with garlic butter and sprinkled with parmesan.
Holy Shiitake Pie
$29.00
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serves 5
Olive oil & garlic base with shiitake, portobello, & button mushrooms, caramelized onions, Montamore, mozzarella, Parmesan, chives, garlic aioli, and black truffle oil. Finished with garlic butter and sprinkled with parmesan.
Vegetarian
vegetarian
Pacific Rim Pizza
$29.00
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serves 5
Red sauce base with mozzarella, ham, bacon, caramelized onions, pineapple, and jalapeños. Finished with garlic butter and sprinkled with parmesan.

Individually Packaged Pizzas

10-Inch Small House Special Pizza
$12.99
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individually packaged
Red sauce base with pepperoni, Italian sausage, honey ham, applewood-smoked bacon, ground beef, mushrooms, black olives, green peppers, sweet onions, Roma tomatoes, and extra mozzarella. Finished with garlic butter and sprinkled with parmesan.
10-Inch Small Great White Pizza
$12.49
Row Angle Right
individually packaged
Olive oil & garlic base with onions, Roma tomatoes, roasted tomatoes, feta, provolone, mozzarella, seasoned ricotta, basil, and onions. Finished with garlic butter and sprinkled with parmesan.
Vegetarian
vegetarian
10-Inch Small Cheese Pizza
$7.99
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individually packaged
Finished with garlic butter and sprinkled with parmesan.
Vegetarian
vegetarian
10-Inch Small 1-Ingredient Pizza
$9.28
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individually packaged
With your choice of ingredient. Finished with garlic butter and sprinkled with parmesan.

Stone-Baked Gluten-Free Pizzas

Gluten-Free Mighty Meaty Pizza
$14.49
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Most Ordered
Mellow red sauce base with pepperoni, Italian sausage, ham, applewood-smoked bacon, ground beef, and mozzarella. Finished with garlic butter and sprinkled with parmesan.
Gluten-free
gluten_free
Gluten-Free Veg Out Pizza
$10.99
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Red sauce base with mozzarella, spinach, green peppers, mushrooms, onions, black olives, and tomatoes. Finished with garlic butter and sprinkled with parmesan.
Vegetarian
vegetarian
Gluten-free
gluten_free
Gluten-Free House Special Pizza
$14.99
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Red sauce base with pepperoni, Italian sausage, honey ham, applewood-smoked bacon, ground beef, mushrooms, black olives, green peppers, sweet onions, Roma tomatoes, and extra mozzarella. Finished with garlic butter and sprinkled with parmesan.
Gluten-free
gluten_free
Gluten-Free Kosmic Karma Pizza
$14.49
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Mellow red sauce base with spinach, roasted tomatoes, Roma tomatoes, feta, mozzarella, and a pesto swirl. Finished with garlic butter and sprinkled with parmesan.
Vegetarian
vegetarian
Gluten-free
gluten_free

Catering Packages

The Client Lunch Package
$17.00
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Most Orderedminimum 8
Trays include your choices of sandwiches, salad & side with house-baked cookies and brownie bites.
The Boardroom Package
$15.00
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minimum 8
Trays include your choices of sandwiches & side with house-baked cookies and brownie bites.

Sandwiches

Sandwich Tray
$85.00
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individually packaged (optional)
serves 8
Your choice of sandwiches.

Individually Packaged Sandwiches

Meatball Hoagie
$10.99
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individually packaged
Seared meatballs in Mellow red sauce topped with melted mozzarella cheese.

Salads & Sides

Enlightened Spinach Salad
$55.00
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Most Orderedserves 10
Spinach with feta, apples, dried cherries, candied pecans, and balsamic vinaigrette. Served with garlic toast points.
Vegetarian
vegetarian
Greek Salad
$55.00
Row Angle Right
serves 10
Romaine & iceberg with shredded carrots, red cabbage, onions, cucumbers, green peppers, mushrooms, feta, Kalamata olives, tomatoes, pepperoncini, banana peppers, and Esperanza dressing. Served with garlic toast points.
Vegetarian
vegetarian
Chicken Caesar Salad
$60.00
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serves 10
Romaine with chicken, Parmesan, croutons, and Caesar dressing. Served with garlic toast points.
Mellow Chicken Salad
$50.00
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serves 10
House-made chicken salad (w/ dried cherries, pecans & curry mayo) on a bed of lettuce. Served with garlic toast points and carrot & celery sticks.

Individually Packaged Salads

Small Greek Salad
$5.99
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individually packaged
Romaine and iceberg lettuce tossed with shredded carrots and red cabbage. Topped with sweet onions, cucumbers, green peppers, mushrooms, Roma tomatoes, pepperoncinis, banana peppers, Kalamata olives, crumbled feta cheese, and your choice of dressing.
Vegetarian
vegetarian
Regular Greek Salad
$9.99
Row Angle Right
individually packaged
Romaine and iceberg lettuce tossed with shredded carrots and red cabbage. Topped with sweet onions, cucumbers, green peppers, mushrooms, Roma tomatoes, pepperoncinis, banana peppers, Kalamata olives, crumbled feta cheese, and your choice of dressing.
Vegetarian
vegetarian
Small Caesar Salad
$3.99
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individually packaged
Chopped romaine lettuce tossed with all-natural caesar dressing and topped with shaved Parmesan, house-made croutons, and your choice of dressing.
Regular Caesar Salad
$5.99
Row Angle Right
individually packaged
Chopped romaine lettuce tossed with all-natural caesar dressing and topped with shaved Parmesan, house-made croutons, and your choice of dressing.

Desserts

House-Baked Gourmet Small Bites Cookies
$12.00
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Most Orderedserves 6
Your choice of cookies.
Mary Jane's Triple Chocolate Brownie
$12.00
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serves 6
Chocolate brownie with Hershey's milk chocolate kisses and bittersweet & semisweet chocolate chunks.
House-Baked Gourmet Giant Cookies
$38.00
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serves 12
Your choice of cookies.
Gluten-Free Chocolate Brownie
$5.95
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individually packaged
Baked with cage-free eggs, a blend of gluten-free flour, sustainable chocolate and ingredients free of GMOs, and artificial additives.
Gluten-free
gluten_free

Beverages

Gallon Sweet Tea
$8.00
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Most Orderedserves 8
Includes ice, cups, and lemon.
Gallon Unsweet Tea
$8.00
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serves 8
Includes ice, cups, sweeteners, and lemon.
Assorted Individual Sodas
$1.50
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Dasani Bottled Water
$2.89
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16.9 Oz.

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