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Slice of peanut butter cookie pizza topped with peanut butter frosting, peanut butter cups and peanut butter candies. Bowl of Reese's Pieces and whole cookie pizza in the background.

Peanut Butter Cookie Pizza

This peanut butter cookie pizza starts with a giant soft & chewy peanut butter cookie. Then it's topped with fluffy, creamy peanut butter frosting & all your favorite peanut butter candies. It's a giant peanut butter cookie cake that's waiting for you!
Course Dessert
Prep Time 30 minutes
Cook Time 15 minutes
Total Time 45 minutes
Servings 10 people


Peanut Butter Cookie

  • ½ cup unsalted butter , softened
  • ¼ cup peanut butter , not natural
  • ¾ cup brown sugar , packed
  • 1 large egg
  • 1 tsp vanilla extract
  • 1 ½ cups all-purpose flour
  • 2 tsp cornstarch
  • ½ tsp baking soda

Peanut Butter Topping

  • ¼ cup unsalted butter , softened
  • ½ cup peanut butter , not natural
  • 1 cup powdered sugar
  • 1-2 tbs milk or cream
  • peanut butter candies of your choice


Make the Peanut Butter Cookie

  • In a large bowl beat together the butter, peanut butter & sugar using an electric mixer. 
  • Beat in the egg and vanilla. 
  • With the mixer on low speed slowly beat in the flour, cornstarch & baking soda.
  • Form the dough into a large ball, wrap in clingfilm and place in the fridge for at least 15 minutes or up to 24 hours. 
  • When ready to bake, preheat the oven to 350F degrees and line a 12 inch round pizza pan with parchment paper. 
  • With lightly floured hands, press the cookie dough into a round circle on the pizza pan. Do not press the cookie dough to the very edges of the pan - leave a perimeter of about ½ to 1 inch. 
  • Bake for 12-15 minutes or until the top looks set. 

Make the Frosting and Decorate

  • In a medium bowl beat together the butter and peanut butter until smooth. 
  • Slowly beat in the powdered sugar and milk or cream 1 tablespoon at a time. 
  • Frost the cooled cookie, then decorate with your favorite peanut butter candies.