If you’re on the lookout for a dessert that marries the creamy richness of peanut butter with the light, airy texture of classic eclair cake, then look no further. The Peanut Butter Cup Eclair Cake is a heavenly no-bake treat that is sure to impress at any gathering. With layers of chocolate graham crackers, a luscious peanut butter and pudding filling, and a rich chocolate frosting, this cake is a delightful twist on a traditional favorite. Perfect for parties, family gatherings, or simply indulging yourself, this dessert is as easy to make as it is delicious.
Why Cooks Rave About It

The Peanut Butter Cup Eclair Cake has garnered rave reviews for its incredible flavor combination and ease of preparation. It combines the nostalgic taste of peanut butter cups with the creamy delight of eclair cake, making it a hit among both adults and kids. The no-bake aspect means you can whip it up quickly without worrying about baking times or oven temperatures, giving you more time to enjoy the company of your guests. Plus, who can resist the allure of peanut butter and chocolate?
What You’ll Need
- 2 packages instant Jell-O Vanilla Pudding Mix (3.4 ounces each) – This will form the creamy base of your cake.
- 3 cups whole milk – Essential for preparing the pudding mix.
- 1 cup creamy peanut butter – Adds richness and that delicious peanut butter flavor.
- 12 ounces container frozen whipped topping, thawed (Cool Whip or Truwhip) – This gives the cake its light and fluffy texture.
- 14 ounces chocolate graham crackers – The base layer that adds a delightful crunch.
- 1 cup mini peanut butter cups, halved (divided use) – These will be sprinkled throughout the layers for added peanut butter goodness.
- 16 ounces prepared chocolate frosting – To finish off the cake with a rich chocolate layer.
Gear Checklist
- 9×13-inch baking dish – Perfect for assembling your eclair cake.
- Mixing bowls – To combine the pudding, peanut butter, and whipped topping.
- Spatula – For spreading the layers evenly.
- Measuring cups and spoons – Essential for accurate ingredient portions.
Stepwise Method: Peanut Butter Cup Eclair Cake

Step 1: Prepare the Pudding Mixture
In a large mixing bowl, combine the two packages of instant Jell-O vanilla pudding mix with the 3 cups of whole milk. Whisk together until the mixture thickens, about 2 minutes.
Step 2: Add Peanut Butter and Whipped Topping
Once the pudding is ready, add in the 1 cup of creamy peanut butter. Blend well until completely smooth. Then, gently fold in the 12 ounces of thawed whipped topping until combined. Set this mixture aside.
Step 3: Assemble the First Layer
Take your 9×13-inch baking dish and spread a thin layer of the pudding and peanut butter mixture on the bottom. Next, place a layer of chocolate graham crackers over the pudding, breaking them as needed to fit.
Step 4: Add More Filling and Peanut Butter Cups
Spread half of the remaining pudding mixture over the first layer of graham crackers. Sprinkle half of the halved mini peanut butter cups on top of the pudding layer.
Step 5: Repeat the Layers
Repeat the process by adding another layer of chocolate graham crackers, followed by the remaining pudding mixture and the rest of the halved peanut butter cups.
Step 6: Top with Graham Crackers
Finish with a final layer of chocolate graham crackers, pressing down gently. This will create a sturdy base for the frosting.
Step 7: Frost the Cake
Spread the 16 ounces of prepared chocolate frosting evenly over the top layer of graham crackers. Make sure to cover it thoroughly for a rich finish.
Step 8: Chill and Serve
Cover the dish with plastic wrap and refrigerate for at least 4 hours, or overnight if possible. This allows the flavors to meld beautifully and the graham crackers to soften. When ready to serve, slice into squares and enjoy!
Vegan & Vegetarian Swaps

- For the pudding mix, opt for a plant-based version or make your own from scratch.
- Use almond or coconut milk instead of whole milk for a dairy-free option.
- Swap creamy peanut butter for a nut or seed butter that suits your dietary needs.
- Choose a vegan whipped topping alternative to replace Cool Whip.
- Use dairy-free chocolate frosting to keep it entirely vegan.
If You’re Curious
The Peanut Butter Cup Eclair Cake is not only a treat for the taste buds but also an opportunity to get creative in the kitchen. You can customize this recipe by adding layers of banana or even a chocolate-flavored pudding for an extra chocolate kick. If you’re feeling adventurous, consider drizzling melted chocolate over the top before serving for an indulgent finish. The possibilities are endless!
Keep It Fresh: Storage Guide
To keep your Peanut Butter Cup Eclair Cake fresh, store it in the refrigerator covered with plastic wrap or in an airtight container. It will stay delicious for up to 5 days. However, the graham crackers will continue to soften over time, so for the best texture, try to enjoy it within the first two days. If you need to make it ahead of time, it holds up beautifully for an event, just be sure to keep it chilled until serving.
Common Qs About Peanut Butter Cup Eclair Cake
Can I use natural peanut butter in this recipe?
Yes, you can use natural peanut butter, but be aware that it may make the filling slightly less creamy. Stir well to combine before adding to the pudding mix.
Is it possible to make this cake gluten-free?
Absolutely! Simply substitute the chocolate graham crackers with gluten-free graham crackers or chocolate wafers for a gluten-free version of this dessert.
Can I freeze Peanut Butter Cup Eclair Cake?
While you can freeze it, the texture may change once thawed. If you choose to freeze, slice it into portions before freezing, and store it in an airtight container. Thaw in the refrigerator before serving.
How can I make this dessert more chocolatey?
If you want an extra chocolate flavor, consider mixing in chocolate pudding with the vanilla pudding or adding cocoa powder to the peanut butter mixture. You can also drizzle chocolate sauce over each slice when serving!
Similar Recipes
- Chocolate Peanut Butter Cups
- No-Bake Cheesecake
- Peanut Butter Banana Pudding
- Creamy Chocolate Mousse
See You at the Table
This Peanut Butter Cup Eclair Cake is sure to be a crowd-pleaser, bringing smiles and satisfied sighs from all who taste it. Whether you’re serving it at a special occasion or simply treating yourself to a sweet indulgence, it’s a dessert that never fails to impress. With its layers of creamy goodness and crunchy graham cracker base, it’s a delightful experience for the senses. So grab your ingredients, gather your loved ones, and prepare to enjoy this scrumptious treat together. Happy baking!

Peanut Butter Cup Eclair Cake
Equipment
- 9x13 inch Baking Dish
- Mixing Bowls
- Spatula
- Measuring cups and spoons
Ingredients
- 2 packages instant Jell-O Vanilla Pudding Mix (3.4 ounces each)
- 3 cups whole milk
- 1 cup creamy peanut butter
- 12 ounces frozen whipped topping thawed (Cool Whip or Truwhip)
- 14 ounces chocolate graham crackers
- 1 cup mini peanut butter cups halved (divided use)
- 16 ounces prepared chocolate frosting
Instructions
- In a large mixing bowl, combine the two packages of instant Jell-O vanilla pudding mix with the 3 cups of whole milk. Whisk together until the mixture thickens, about 2 minutes.
- Once the pudding is ready, add in the 1 cup of creamy peanut butter. Blend well until completely smooth. Then, gently fold in the 12 ounces of thawed whipped topping until combined. Set this mixture aside.
- Take your 9x13-inch baking dish and spread a thin layer of the pudding and peanut butter mixture on the bottom. Next, place a layer of chocolate graham crackers over the pudding, breaking them as needed to fit.
- Spread half of the remaining pudding mixture over the first layer of graham crackers. Sprinkle half of the halved mini peanut butter cups on top of the pudding layer.
- Repeat the process by adding another layer of chocolate graham crackers, followed by the remaining pudding mixture and the rest of the halved peanut butter cups.
- Finish with a final layer of chocolate graham crackers, pressing down gently. This will create a sturdy base for the frosting.
- Spread the 16 ounces of prepared chocolate frosting evenly over the top layer of graham crackers. Make sure to cover it thoroughly for a rich finish.
- Cover the dish with plastic wrap and refrigerate for at least 4 hours, or overnight if possible. This allows the flavors to meld beautifully and the graham crackers to soften. When ready to serve, slice into squares and enjoy!
Notes
- For a dairy-free version, substitute plant-based pudding mix, almond or coconut milk, vegan whipped topping, and dairy-free chocolate frosting.
- Freeze portions in airtight containers for longer storage; thaw in refrigerator before serving.
- Try adding banana slices or chocolate pudding layers for extra flavor variations.
- Drizzle melted chocolate over the top before serving for an indulgent finish.
- Enjoy within 2 days for best texture, as graham crackers soften over time.
