Step 1

Preheat oven to 350 degrees F (175 degrees C).

Step 2

Grease a 14-inch pizza pan.

Step 3

Mix cookie dough, softened butter, and egg together in a bowl.

Step 4

Spread cookie dough mixture onto prepared pizza pan to cover entirely.

Step 5

Bake in preheated oven until dough begins to brown, 10 to 12 minutes; set aside to cool.

Step 6

Beat confectioners' sugar into peanut butter in a bowl until completely integrated.

Step 7

Spread peanut butter mixture over cooled cookie dough crust.

Step 8

Arrange halved peanut butter cups atop peanut butter layer.

Step 9

Sprinkle chocolate chips around peanut butter cups.