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O-Bake Peanut Butter Lasagna Recipe


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4.3 from 150 reviews

  • Author: Diane
  • Total Time: 4 hours 30 minutes
  • Yield: 16 servings

Description

This no-bake peanut butter lasagna is a layered dessert combining a crunchy peanut and graham cracker crust, rich chocolate ganache, creamy peanut butter cheesecake, silky chocolate mousse, and a fluffy whipped topping, all garnished with a peanut butter drizzle and chocolate chips. Perfectly chilled, it offers a luscious, indulgent treat ideal for gatherings and peanut butter lovers.


Ingredients

For the Crust Layer

  • 2 cups crushed graham crackers (or Nutter Butters for extra peanut flavor)
  • ½ cup salted peanuts, chopped
  • ½ cup unsalted butter, melted

For the Chocolate Ganache Layer

  • 1 ½ cups semi-sweet chocolate chips
  • ¾ cup heavy cream

For the Peanut Butter Cheesecake Layer

  • 1 cup creamy peanut butter
  • 8 oz cream cheese, softened
  • 1 cup powdered sugar
  • 1 tsp vanilla extract
  • 1 ½ cups whipped topping (or homemade whipped cream)

For the Chocolate Mousse Layer

  • 1 (3.9 oz) box instant chocolate pudding mix
  • 1 ¾ cups cold milk
  • 1 cup whipped topping

For the Whipped Topping Layer

  • 2 cups whipped topping

For the Toppings

  • ⅓ cup melted peanut butter (for drizzling)
  • ¼ cup mini chocolate chips
  • ¼ cup chopped roasted peanuts
  • Optional: crushed pretzels or peanut butter chips


Instructions

  1. Make the Crust: In a mixing bowl, combine crushed graham crackers, chopped salted peanuts, and melted unsalted butter. Stir until evenly mixed. Press the mixture firmly into the bottom of a 9x13-inch baking dish, using the bottom of a glass or measuring cup to compress it tightly. Freeze the crust for 15 minutes to firm it up before adding the next layer.
  2. Make the Chocolate Ganache: Heat the heavy cream in a small saucepan or microwave-safe container until it just begins to simmer. Pour the hot cream over the semi-sweet chocolate chips in a heatproof bowl and let sit for 2 to 3 minutes. Gently stir until the chocolate is fully melted and the ganache is smooth and glossy. Pour the ganache over the chilled crust and spread evenly. Refrigerate for 15 to 20 minutes to let it set slightly.
  3. Make the Peanut Butter Cheesecake Layer: In a large bowl, beat creamy peanut butter, softened cream cheese, powdered sugar, and vanilla extract until smooth and creamy. Gently fold in the whipped topping until the mixture is light and fluffy. Spread this peanut butter cheesecake mixture evenly over the set ganache layer using a spatula.
  4. Make the Chocolate Mousse Layer: In a medium bowl, whisk together instant chocolate pudding mix and cold milk until thickened, about 2 minutes. Fold in whipped topping to achieve a mousse-like texture. Carefully spread this mousse layer over the peanut butter cheesecake layer.
  5. Add the Whipped Topping Layer: Evenly spread the remaining whipped topping over the chocolate mousse layer, smoothing the surface with a spatula.
  6. Decorate with Toppings: Drizzle melted peanut butter across the top of the whipped layer. Sprinkle mini chocolate chips, chopped roasted peanuts, and optional crushed pretzels or peanut butter chips evenly over the dessert. Chill the peanut butter lasagna in the refrigerator for at least 4 hours, or preferably overnight, to allow all layers to set and flavors to meld.

Notes

  • For extra peanut flavor in the crust, substitute graham crackers with Nutter Butters cookies.
  • Use fresh whipped cream if you prefer homemade whipped topping over store-bought.
  • Chilling overnight ensures the best texture and melded flavors.
  • This dessert is best served cold and kept refrigerated until serving.
  • Optional toppings like crushed pretzels add a nice salty crunch contrast.
  • Prep Time: 30 minutes
  • Cook Time: 0 minutes
  • Category: Dessert
  • Method: No-Cook
  • Cuisine: American