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Slice of peanut butter pie on a plate.
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Copycat Costco Peanut Butter Pie

This copycat Costco peanut butter pie has layers of fluffy peanut butter filling, silky chocolate cream, and a buttery graham cracker crust.
Course Dessert
Cuisine American
Prep Time 25 minutes
Cook Time 10 minutes
Chill Time 4 hours
Total Time 4 hours 35 minutes
Servings 8 Servings
Calories 661kcal

Equipment

  • 9-inch pie plate
  • large mixing bowls
  • Medium mixing bowl
  • Microwave Safe Bowl 
  • Electric mixer
  • Spatula
  • Piping bag or zip-top bag

Ingredients

Graham Cracker Crust

  • 1 ½ cups graham cracker crumbs
  • ¼ cup sugar
  • 6 tablespoons butter melted

Chocolate Mousse Layer

  • 1 cup semi-sweet chocolate chips
  • ½ cup heavy cream
  • 4 ounces cream cheese softened
  • ½ container whipped topping

Peanut Butter Mousse Layer

  • 8 ounces cream cheese softened
  • 1 cup powdered sugar
  • 1 cup peanut butter
  • ½ container whipped topping

Instructions

  • Preheat the oven to 350 degrees Fahrenheit.
  • In a large bowl, combine the graham cracker crumbs and sugar.
  • Add the melted butter and stir until the crumbs are evenly coated.
  • Press the mixture into the bottom and up the sides of a 9-inch pie plate.
  • Bake the crust for 10 minutes, then set it aside to cool.
  • Place the chocolate chips in a medium bowl.
  • Heat the heavy cream in a microwave-safe bowl for 45 seconds, or until very warm.
  • Pour the warm heavy cream over the chocolate chips. Let sit for 5 minutes, then stir until smooth and melted.
  • In a large bowl, beat 8 ounces cream cheese, powdered sugar, and peanut butter with an electric mixer until smooth.
  • Fold in half of the whipped topping. Set aside.
  • In another large bowl, beat the remaining 4 ounces cream cheese until smooth.
  • Add the melted chocolate mixture and beat until combined.
  • Fold in the remaining whipped topping.
  • Spread 3/4 of the peanut butter mixture into the cooled pie crust.
  • Gently spread the chocolate mixture over the peanut butter layer.
  • Add the remaining peanut butter mixture to a piping bag or zip-top bag with the corner snipped off.
  • Pipe swirls of peanut butter mixture around the edge of the pie.
  • Refrigerate the pie for 4 hours, or until fully chilled and set.
  • Slice and serve.

Nutrition

Serving: 1Serving | Calories: 661kcal | Carbohydrates: 58g | Protein: 12g | Fat: 45g | Saturated Fat: 20g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 14g | Cholesterol: 61mg | Sodium: 392mg | Potassium: 360mg | Fiber: 2g | Sugar: 43g | Vitamin A: 808IU | Vitamin C: 0.1mg | Calcium: 109mg | Iron: 1mg