Peanut Butter Cookie Lasagna

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If you’re the type who sneaks a spoonful of peanut butter from the jar or dreams about dessert at breakfast, this Peanut Butter Cookie Lasagna is your next indulgence. It’s a no-bake treat that layers rich peanut butter cream, soft cookies, and whipped topping into a dreamy, decadent bite. Think of it as a peanut butter lover’s version of tiramisu with a playful twist.

What makes it so fun is that it doesn’t take itself too seriously. You don’t need to preheat the oven or fuss over baking times. It’s assembled in layers, chilled to set, and ready to wow everyone at your next gathering. Plus, it looks incredibly impressive once sliced — those cookie and cream layers are just begging to be shown off.

This dessert is outrageously good and incredibly simple. It’s sweet without being cloying, creamy yet structured, and filled with comforting peanut butter nostalgia. Since it’s no-bake, it’s perfect for hot weather or busy days. You can prep it in advance and pull it out when you’re ready to serve. Bonus: it’s always a hit with both kids and adults alike.

What Kind of Cookies Should I Use?

Peanut butter sandwich cookies work beautifully in this lasagna. They soften just enough in the layers while still holding their shape. You could also swap in classic peanut butter cookies or even vanilla sandwich cookies if you want a lighter flavor. Just avoid overly crunchy cookies since they won’t soften as well during chilling.

The best part about this dessert is how easy it is to throw together, thanks to a handful of pantry staples. Each ingredient plays a role in bringing that rich, creamy, peanut-buttery flavor to life.

  • Peanut butter sandwich cookies – These form the cookie base and layers of the lasagna. They soften to perfection and create that dessert “lasagna” texture.
  • Cream cheese – Adds tang and structure to the peanut butter filling, making it velvety and rich.
  • Peanut butter – The heart of this recipe. Smooth peanut butter works best for blending with the cream cheese.
  • Powdered sugar – Sweetens the peanut butter filling just enough without making it grainy.
  • Whipped topping – This gets folded into the filling and spread on top for a light, fluffy finish.
  • Milk – Helps soften the cookies when layering.
  • Chopped peanuts (optional) – A final sprinkle adds crunch and visual appeal.
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Step 1: Create the Creamy Peanut Butter Filling

In a large mixing bowl, beat together the cream cheese, peanut butter, and powdered sugar until smooth. Fold in half of the whipped topping until the mixture is light and fluffy.

Step 2: Layer the Cookies

Dip peanut butter sandwich cookies quickly into milk and arrange a single layer in the bottom of a 9×13 dish. Don’t let them soak too long or they’ll get mushy.

Step 3: Add the Filling

Spread half of the peanut butter mixture over the cookie layer, smoothing it out with a spatula. Repeat with another dipped cookie layer and the remaining peanut butter filling.

Step 4: Top It Off

Spread the remaining whipped topping across the top of the final layer. Sprinkle chopped peanuts on top for added crunch if desired.

Step 5: Chill and Serve

Cover and refrigerate for at least 4 hours, preferably overnight. The longer it chills, the better the texture. Slice and serve cold.

This dessert feeds 12 to 15 people depending on how generous you are with the slices. It’s perfect for potlucks, parties, or a sweet family weekend treat. Keep it refrigerated and tightly covered, and it will stay fresh for up to 4 days.

If you want to make it ahead of time, you can assemble it a full day in advance. Just don’t skip the chill time — that’s what makes the cookie layers perfectly soft and the flavors meld beautifully.

A Glass of Cold Milk

Classic and comforting, a cold glass of milk balances the richness of each slice.

Chocolate Drizzle

A little warm chocolate sauce drizzled over the top turns each piece into an extra-indulgent treat.

Fresh Berries

Strawberries or raspberries offer a tart contrast that cuts through the sweetness.

Coffee or Espresso

The bitter notes of coffee pair surprisingly well with the creamy peanut butter filling.

Vanilla Ice Cream

Add a scoop alongside your slice for a creamy-on-creamy dessert experience.

Salted Caramel Sauce

The hint of salt with sweet caramel brings out the best in the peanut butter.

Crushed Pretzels

A sprinkle of pretzels adds a salty crunch that makes the textures even more fun.

Want More Dessert Ideas with a Twist?

If you’re into layered, creative sweets like this one, you’ll love these other favorites:

Pecan Pie Lasagna for nutty layers of pie and cream.
Lemon Truffles if you’re craving citrusy brightness.
Churro Cheesecake Donut Cookies when you want cheesecake wrapped in a cookie disguise.
Ooey Gooey Butter Cake for sticky, sweet indulgence.

Save This Recipe For Later

📌 Save this recipe to your Pinterest dessert board so you can come back to it any time.

And let me know in the comments how yours turned out. Did you try crunchy peanut butter? Swap the cookie layers? Add chocolate chips?

I love hearing how others make these recipes their own. Ask away if you’ve got questions — let’s bake smarter together.

Explore beautifully curated health-boosting drinks and cozy dessert inspiration on Janet Dishes on Pinterest and discover your next favorite!

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Peanut Butter Cookie Lasagna


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  • Author: Janet Reynolds
  • Total Time: 4 hours 20 minutes
  • Yield: 12 to 15 servings
  • Diet: Vegetarian

Description

A no-bake Peanut Butter Cookie Lasagna made with layers of peanut butter sandwich cookies, creamy peanut butter filling, and whipped topping. This easy dessert is perfect for parties, potlucks, and any peanut butter lover. Keywords: peanut butter lasagna, no bake dessert, cookie lasagna, peanut butter dessert.


Ingredients

2 packages peanut butter sandwich cookies

8 oz cream cheese, softened

1 cup smooth peanut butter

1 cup powdered sugar

16 oz whipped topping, divided

1 cup milk

½ cup chopped peanuts (optional)


Instructions

1. In a large bowl, beat together cream cheese, peanut butter, and powdered sugar until smooth.

2. Fold in half of the whipped topping to create a light and fluffy filling.

3. Dip peanut butter cookies in milk briefly and arrange a single layer at the bottom of a 9×13 dish.

4. Spread half the peanut butter filling over the cookies.

5. Repeat with another layer of dipped cookies and the remaining peanut butter filling.

6. Top with remaining whipped topping, smoothing it out evenly.

7. Sprinkle chopped peanuts on top if using.

8. Cover and refrigerate for at least 4 hours or overnight before slicing and serving.

Notes

This dessert must be chilled to set properly.

You can substitute peanut butter cookies with vanilla or chocolate sandwich cookies for variation.

Add chocolate drizzle or caramel for extra richness.

  • Prep Time: 20 minutes
  • Cook Time: 0 minutes
  • Category: Dessert
  • Method: No-bake
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 410
  • Sugar: 22g
  • Sodium: 290mg
  • Fat: 27g
  • Saturated Fat: 9g
  • Unsaturated Fat: 15g
  • Trans Fat: 0g
  • Carbohydrates: 36g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 25mg

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