Peanut Butter Krispie Brownies

Peanut Butter Krispie Brownies – these brownies are TO-DIE-FOR! Fudgy brownies smothered in marshmallow creme and topped with a mixture of peanut butter, chocolate, and Rice Krispies. Heaven in a pan! The peanut butter chocolate topping brings great texture and the addition of marshmallow creme is reminiscent of s’mores. These things are dangerously delicious! Great for parties, potlucks, bake sales, and the holiday!! Hands down the best brownies EVER.

stack of 3 layered brownie bars on a platter

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Chocolate Peanut Butter Marshmallow Krispie Topped Brownies

These Peanut Butter Krispie Brownies are crazy good! OMG!! Fudgy brownies smothered in marshmallow cream and topped with a mixture of peanut butter, chocolate, and Rice Krispies. Heaven in a pan! We had zero self-control around these brownies. I could hear them calling to me in the night – “Plain Chicken, Eat me!”. LOL! This is my go-to dessert recipe for parties, tailgating, bake sales, and the holidays.

layered brownie bars on a platter

How to Make Peanut Butter Krispie Brownies

These layered brownies are very easy to make with only a few simple ingredients. Start with preparing a box of brownie mix. In a bowl, add the brownie mix, eggs, oil, and water called for on the package. Mix together with a wooden spoon. Pour the batter into a 9×13-inch baking pan and bake in the oven according to the package directions. Let the brownies cool completely on a wire rack. Use a spatula to spread a jar of marshmallow creme over the brownies. 

In a medium saucepan over low heat, melt peanut butter and chocolate chips, stirring until smooth. Remove from heat and gently stir in Rice Krispies. Spread the chocolate peanut butter mixture over the marshmallow creme. Cover and chill. Cut into squares and enjoy.

Tips & Frequently Asked Questions

  • I used boxed brownie mix for this recipe. You can substitute your favorite scratch brownie recipe. Here is our favorite recipe for homemade brownies: https://www.plainchicken.com/bisquick-brownies/
  • You will need to double the recipe and bake in a 9×13-inch pan.
  • I leave out the walnuts or pecans when I use this homemade brownie recipe in this dessert.
  • I used Jif smooth peanut butter. You can use any brand of peanut butter that you enjoy. Smooth or crunchy works just fine. ​
  • I used semi-sweet chocolate chips. Milk chocolate or dark chocolate chips would also work great.
  • I melted the peanut butter and chocolate on the stovetop, but you can also melt them in the microwave.
  • How do I know if my brownies are done? Bake the brownies until a toothpick inserted into the center of the brownies comes out clean or with only crumbs, no batter on it.
  • My biggest tip for making these brownies is to line your pan with parchment paper or aluminum foil before baking the brownies.
    • You want the parchment paper to hang over the edges a bit. This will help you when you go to get the brownies out of the pan. I run a knife around the sides of the pan before lifting them out of the pan.
  • You can cut the recipe in half and make the recipe in an 8-inch or 9-inch square pan.
  • How to store brownies? Store the brownies in an airtight container on the countertop.
    • If it is warm outside, store the brownies in the refrigerator so the chocolate and marshmallows are firm.
  • How long do brownies keep? The brownies will keep for 3 to 4 days in an air-tight container.
side view of 2 layered brownie bars on a platter

Easy Homemade Dessert for a Crowd

This really is the best brownie recipe. The peanut butter chocolate topping brings great texture and the addition of marshmallow creme is reminiscent of s’mores. These brownies are a party in your mouth! SO much yummy chocolate flavor. 

This dessert is great for a cookout, potluck, tailgating, and the holidays. I lose track of how many batches of brownies that I made during the holidays. Everyone loves them! Whip up a batch ASAP! I promise you won’t be disappointed.

Looking for more easy dessert recipes? Here are a few of our favorite recipes from the blog:

stack of 3 layered brownie bars on a platter

Peanut Butter Krispie Brownies

Yield: 18 brownies
Prep Time 15 mins
Cook Time 25 mins
Total Time 40 mins
Peanut Butter Krispie Brownies – these brownies are TO-DIE-FOR! Fudgy brownies smothered in marshmallow creme and topped with a mixture of peanut butter, chocolate, and Rice Krispies. Heaven in a pan! These things are dangerously delicious! Great for parties, potlucks, bake sales, and the holiday!! Hands down the best brownies EVER.

Ingredients:

  • 1 (18-oz) package brownie mix, plus ingredients to make cake like brownies
  • 1 (7-oz) jar marshmallow creme
  • 1 cup creamy peanut butter
  • 1 (12-oz) package semi-sweet chocolate chips
  • 4 cups Rice Krispie cereal

Instructions:

  • Line a 9×13-inch pan with parchment paper, making sure to have a few inches hanging over the edges.
  • Prepare brownies according to package directions. Cool completely.
  • Spread marshmallow creme over cooled brownies.
  • In a medium saucepan over low heat, melt peanut butter and chocolate chips, stirring until smooth.
  • Remove from heat and gently stir in Rice Krispies.
  • Spread mixture over marshmallow creme.
  • Cover and chill. Cut into squares.

Notes:

  • I used boxed brownie mix for this recipe. You can substitute your favorite scratch brownie recipe. Here is our favorite recipe for homemade brownies: https://www.plainchicken.com/bisquick-brownies/
  • You will need to double the recipe and bake in a 9×13-inch pan.
  • I leave out the walnuts or pecans when I use this homemade brownie recipe in this dessert.
  • I used Jif smooth peanut butter. You can use any brand of peanut butter that you enjoy. Smooth or crunchy works just fine. ​
  • I used semi-sweet chocolate chips. Milk chocolate or dark chocolate chips would also work great.
  • I melted the peanut butter and chocolate on the stovetop, but you can also melt them in the microwave.
  • How do I know if my brownies are done? Bake the brownies until a toothpick inserted into the center of the brownies comes out clean or with only crumbs, no batter on it.
  • My biggest tip for making these brownies is to line your pan with parchment paper or aluminum foil before baking the brownies.
    • You want the parchment paper to hang over the edges a bit. This will help you when you go to get the brownies out of the pan. I run a knife around the sides of the pan before lifting them out of the pan.
  • You can cut the recipe in half and make the recipe in an 8-inch or 9-inch square pan.
  • How to store brownies? Store the brownies in an airtight container on the countertop.
  • How long do brownies keep? The brownies will keep for 3 to 4 days in an air-tight container.

Steph

Remember this recipe.

Pin this recipe to your favorite board now to remember it later!

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layered brownie bars on a platter
stack of 3 layered brownie bars on a platter

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Comments

  1. These are great. I live in Mexico City and you can’t find marshmallow creme here so I’m going to try it with regular marshmallows and put it in the oven to melt a bit.

    I make these the night before so the krispy layer has time to harden. I would not recommend making them the same day you’re going to serve them.

  2. These were so easy to make! I will find out if they are a hit tonight at our potluck!
    I think the only thing I may change is the Krispy layer as it does not seem to 'harden' so it is messy. Not sure if I did something wrong but I'll tweak it to see how to harden it…maybe less peanut butter.

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