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Peanut Butter Marshmallow Cookie Bars

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Peanut Butter Marshmallow Cookie Bars are soft and chewy peanut butter cookies loaded with mini marshmallows and toffee bits.

Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.



Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert.

Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

Peanut Butter Marshmallow Cookie Bars are soft and chewy peanut butter cookies loaded with mini marshmallows and toffee bits.

This peanut butter cookie bar recipe takes just over thirty minutes from start to finish and produces thirty-two cookies.

Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

Printable Recipe Card with a Full List of Ingredients and Instructions is Located at the Bottom of the Post.

Be sure to read through the entire post so that you don’t miss out on any important tips and tricks!

To make these cookie bars, I started by dumping some peanut butter into a large mixing bowl along with some softened butter, brown sugar and white sugar.

peanut butter, butter, brown sugar and granulated sugar in a large mixing bowl

I used an electric mixer to cream the ingredients together until smooth.

creamy peanut butter mixture

Then I added some eggs and vanilla and continued mixing with the electric mixer.

eggs and vanilla extract added to peanut butter mixture

I added some all-purpose flour, baking powder and salt to the bowl and continued mixing.

flour and baking powder added to peanut butter cookie dough in mixing bowl

Then I added some mini marshmallows and Skor bits to the bowl.

mini marshmallows and Skor bits in a mixing bowl with peanut butter cookie dough

I used a rubber spatula to stir the marshmallows and Skor bits into the cookie dough.

peanut butter marshmallow cookie dough in a large mixing bowl

Then I dumped the cookie dough onto a greased 10 x 15 inch cookie dough sheet and spread it out evenly.

peanut butter marshmallow cookie dough spread out on baking sheet

I baked the peanut butter cookie bars until they were just starting to brown across the top.

Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

I allowed the them to cool slightly before slicing them.

Peanut Butter Marshmallow Cookie Bars are soft and chewy peanut butter cookies loaded with mini marshmallows and toffee bits.

The marshmallows melt into the cookie dough as it bakes making these peanut cookie bars extra soft and chewy.

Peanut Butter Marshmallow Cookie Bars are soft and chewy peanut butter cookies loaded with mini marshmallows and toffee bits.

If you are looking for a delicious and simple peanut butter cookie recipe, try these Peanut Butter Marshmallow Cookie Bars.

Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

More Tasty Cookie Bar Recipes You’ll Love…

PRINTABLE VERSION OF THE RECIPE CAN BE FOUND AT THE BOTTOM OF THE PAGE

Ingredients You’ll Need to Make These Peanut Butter Marshmallow Cookie Bars:

  • 1/2 cup smooth peanut butter
  • 1/2 cup salted butter, softened
  • 3/4 cup golden brown sugar
  • 1/4 cup granulated sugar
  • 2 eggs, large
  • 1 tsp vanilla extract
  • 1 1/4 cups all-purpose flour
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 3 cups mini marshmallows
  • 1 cup Skor bits

Instructions:

  1. Preheat oven to 350F.
  2. In a large mixing bowl combine peanut butter, softened butter, brown sugar and granulated sugar using an electric mixer until smooth.
  3. Add the eggs and vanilla and continue mixing.
  4. Then add in the flour, baking powder and salt. Use the electric mixer starting on low speed to mix the dry ingredients into the dough.
  5. Add the marshmallows and Skor bits to the bowl and use a rubber spatula to stir them into the cookie dough.
  6. Pour the mixture out onto a greased 10 x 15 inch cookie sheet and spread it out evenly.
  7. Place the cookie sheet in the oven and bake until the top of the cookie is just starting to brown. 18-20 minutes.
  8. Remove from oven and allow to cool slightly before slicing and serving.
  9. Enjoy!

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Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

Peanut Butter Marshmallow Cookie Bars

Yield: 32 bars
Prep Time: 15 minutes
Cook Time: 20 minutes
Total Time: 35 minutes

Peanut Butter Marshmallow Cookie Bars are an easy and delicious dessert. These peanut butter cookie bars are soft and chewy and loaded with Skor bits.

Ingredients

  • 1/2 cup smooth peanut butter
  • 1/2 cup salted butter, softened
  • 3/4 cup golden brown sugar
  • 1/4 cup granulated sugar
  • 2 eggs, large
  • 1 tsp vanilla extract
  • 1 1/4 cups all-purpose flour
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 3 cups mini marshmallows
  • 1 cup Skor bits

Instructions

  1. Preheat oven to 350F.
  2. In a large mixing bowl combine peanut butter, softened butter, brown sugar and granulated sugar using an electric mixer until smooth.
  3. Add the eggs and vanilla and continue mixing.
  4. Then add in the flour, baking powder and salt. Use the electric mixer starting on low speed to mix the dry ingredients into the dough.
  5. Add the marshmallows and Skor bits to the bowl and use a rubber spatula to stir them into the cookie dough.
  6. Pour the mixture out onto a greased 10 x 15 inch cookie sheet and spread it out evenly.
  7. Place the cookie sheet in the oven and bake until the top of the cookie is just starting to brown. 18-20 minutes.
  8. Remove from oven and allow to cool slightly before slicing and serving.
  9. Enjoy!
Nutrition Information:
Yield: 32
Amount Per Serving: Calories: 111

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Kathleen Hickey

Monday 3rd of December 2018

A nice chewy snack that I will be making again and again!

Linda Pollack

Monday 20th of August 2018

These are great... the bar part seems very versatile. I can't wait to try with mini M&M's or Reese's

Jennie

Thursday 9th of August 2018

I havenโ€™t tried this yet but it looks so yummy and after reading the recipe it seems easy to make. Iโ€™m looking forward to trying it out! Its what also had me signing up for your newsletter.

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