An easy peanut butter cookie cake filled with peanut butter cups and topped with chocolate frosting. This Peanut Butter Cup Cookie Cake is the ultimate dessert!
1/2cup(115 grams) unsalted butter, softened to room temperature
3/4cup(190 grams) creamy peanut butter
3/4cup(150 grams) brown sugar
1/4cup(50 grams) granulated sugar
1large egg, room temperature
1teaspoonvanilla extract
1cupminiature peanut butter cups
Chocolate Frosting:
1/2cup(115 grams) unsalted butter, softened to room temperature
2cups(240 grams) powdered sugar
1/4cup(22 grams) unsweetened cocoa powder
2tablespoons(30 ml) heavy cream
1/2teaspoonvanilla extract
salt, to taste
Instructions
To make the cookie cake:
Preheat the oven to 350°F (177°C). Spray a 9-inch springform pan well with non-stick cooking spray (you may also use a 9-inch pie plate or 9-inch cake pan) and set aside.
In a large mixing bowl, mix together the flour, baking soda, and salt until well combined.
In the bowl of a stand mixer fitted with the paddle attachment (or in a large mixing bowl using a hand-held mixer), beat the butter, peanut butter, brown sugar, and granulated sugar until well combined. Mix in the egg and vanilla, making sure to mix well after each ingredient.
Slowly mix in the dry ingredients until just combined. Add the peanut butter cups and gently mix them into the dough.
Scoop the cookie dough into the prepared pan and spread it around evenly. Bake at 350°F for 20-25 minutes or until lightly browned on top.
Remove from the oven and cool completely in the pan on a wire rack.
To make the frosting:
In the bowl of a stand mixer fitted with the paddle attachment (or in a large mixing bowl using a hand-held mixer), beat the butter until smooth.
Add in the powdered sugar, cocoa powder, heavy cream, vanilla, and salt and mix until fully combined.
Frost the cooled cookie cake as desired.
Notes
Storage instructions: Store in an airtight container at room temperature for up to four days.Freezing Instructions: Cookie cake will freeze well for up to 3 months, thaw to room temperature before serving.