Gluten-Free Peanut Butter Cookie Brownie Pizza
Decadent dessert pizza featuring a brownie base studded with peanut butter sandwich cookies, topped with fluffy marshmallow peanut butter frosting and chocolate drizzle. Perfect for birthday parties, game day gatherings, or when you want to impress a crowd with something playfully indulgent. The Coca Cola adds moisture and subtle caramel notes to the brownie layer, while the cookie base creates delightful textural contrast. Serves as both conversation starter and crowd-pleasing finale to casual meals.
Ingredients
- 18 peanut butter sandwich cookies
- 1 13x9 family size box brownies, or your favorite brownie recipe
- 2 large eggs
- ½ cup canola oil, or vegetable oil
- ¼ cup Coca Cola
- 1 cup marshmallow creme
- ⅝ cup peanut butter
- 3 cups powdered sugar
- 3 tablespoons heavy whipping cream
- ½ cup peanut butter cup candy bars, chopped
- ½ cup semi-sweet chocolate chips, melted
Instructions
- 1
Preheat oven to 350°F and grease pizza pan with cooking spray
- 2
Combine brownie mix, eggs, oil and cola in large bowl, stirring until well blended without over mixing
- 3
Place cookies on bottom of pizza pan
- 4
Spread brownie batter over and around cookies using rubber spatula to evenly fill pan
- 5
Bake for 25 minutes or until toothpick inserted in middle comes out clean
- 6
Cool completely
- 7
Mix marshmallow creme and peanut butter with electric mixer using paddle attachment until combined
- 8
Slowly add powdered sugar one cup at a time, then cream, beating until desired consistency
- 9
Top cooled brownies with frosting
- 10
Sprinkle with chopped peanut butter cups
- 11
Drizzle with melted chocolate
- 12
Cut and serve
Tips
Test doneness with toothpick in center since brownie thickness varies with cookie placement
Adjust frosting consistency gradually - add cream if too thick, powdered sugar if too thin
Let brownies cool completely before frosting to prevent melting
Good to Know
covered at room temperature up to 3 days or refrigerated up to 1 week
brownies can be baked 1 day ahead, frosted day of serving
at room temperature, cut into pizza slices
Common Mistakes
avoid overmixing brownie batter to prevent tough texture
ensure complete cooling before frosting to avoid melting
grease pan well to prevent sticking
Substitutions
Dairy-Free Swaps
brand specific
General Alternatives
FAQ
Can I use homemade brownies instead of box mix?
Yes, use your favorite brownie recipe but reduce liquid slightly since the cookies will add moisture during baking.
What if my frosting is too thin or thick?
Add powdered sugar gradually to thicken or heavy cream by tablespoons to thin until you reach spreadable consistency.
How long will this keep?
Store covered at room temperature for up to 3 days or refrigerate for up to 1 week for best quality.