The Best Peanut Butter Blossom Bars

This recipe for peanut butter blossom bars was inspired by my Amish Grandmother’s recipe for peanut butter blossoms. The soft peanut butter cookie dough has been my no-fail, go-to peanut butter dough for many different treats. The delicious combination of chocolate and peanut butter comes together beautifully in these soft cookie bars, and they are easier to make than cookies, which makes them a great recipe for using up leftover Hershey kisses from the holidays, or simply a quick treat when you have friends or family coming over! If you would enjoy additional peanut butter and chocolate desserts, be sure to scroll below the recipe card for a list of my favorites. Step by step photos and additional notes below the recipe card.

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Peanut butter blossom bars

The Best Peanut Butter Blossom Bars

marilynpeight
Soft peanut butter bars, topped with a chocolate Hershey kiss are the quick and easy, melt-in-your mouth treat that is perfect for any occasion!
5 from 5 votes
Prep Time 15 minutes
Cook Time 20 minutes
Course Dessert
Cuisine American
Servings 24

Equipment

  • 9 by 13 inch baking dish (linked below)
  • Parchment paper (linked below)
  • Mixing bowl (linked below)
  • Whisk (linked below)
  • Spatula (linked below)

Ingredients
  

  • 1 cup butter softened
  • 1 cup granulated sugar
  • 1 cup brown sugar
  • 1 cup peanut butter
  • 2 large eggs room temperature
  • 2 teaspoons vanilla extract
  • 2 teaspoons baking soda
  • 2/3 teaspoon salt
  • 3 cups all purpose flour leveled *see note
  • 24-28 Hershey kisses

Instructions
 

Preheat oven to 350:

  • Cream softened butter and sugars together in a medium sized mixing bowl. Whisk in the egg, then add vanilla extract and peanut butter, mixing until the mixture is creamy and lump free.
  • Combine flour, baking soda and salt, then mix into the wet ingredients until well combined and the dough has a soft cookie dough texture that can be rolled between your palms without sticking.
  • Press the cookie dough evenly into a greased or parchment lined 9 by 13 inch baking dish, then bake in the preheated oven for 20-25 minutes until the edges are golden and the bars are set (or almost set) in the center. Press Hershey's kisses on top of the warm peanut butter bars in rows of 4 by 6 to 4 by 8, depending on the size of your baking dish. To keep the Hershey kisses intact, freeze or refrigerate the warm bars until cooled (1-2 hours).
  • Allow to cool completely before cutting, then enjoy! *see storage notes below.

Notes

Only add enough flour to get the dough to roll between your palms without sticking. You may not need the full 3 cups of flour depending on the size of your measuring cup. 
Additional notes and step by step photos below. 
Keyword Peanut butter blossom bars, Hershey kisses, peanut butter bars, quick and easy.
Tried this recipe?Let us know how it was!

Equipment needed for these peanut butter blossom bars:

  • 9 by 13 inch baking dish You will need a 9 by 13 inch baking dish for the amount this recipe makes. If you wish to halve the recipe, you can bake the bars in an 8 by 8 or 9 by 9 inch baking dish.
  • Parchment paper I prefer to line my baking dish with parchment paper for baking these peanut butter blossom bars. Using parchment paper makes removing the bars from the pan for cutting so much easier!
  • Mixing bowl A mixing bowl is needed to mix the cookie dough. You can also use the bowl of your stand mixer if you do not wish to mix the dough by hand.
  • Whisk A whisk is needed to mix the wet ingredients until smooth and well combined.
  • Spatula I like to use a spatula to help smooth out the cookie dough in the baking sheet and for scraping every last bit of dough out of the mixing bowl.

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Other peanut butter and chocolate treats you may enjoy:

Ingredients needed for these peanut butter blossom bars: Hershey kisses, butter, eggs, granulated sugar, peanut butter, all purpose flour, baking soda, salt, vanilla extract and brown sugar.

Is it better to use creamy or crunchy peanut butter in these peanut butter blossom bars?

I would say creamy peanut butter is best, because it gives the bars more of a smooth texture, but I haven’t tried these bars with crunchy peanut butter personally, so feel free to experiment if you prefer crunchy peanut butter over creamy peanut butter.

Step 1: Cream softened butter and sugars together in a medium sized mixing bowl. Whisk in the egg, then add vanilla extract and peanut butter, mixing until the mixture is creamy and lump free.

Why should the butter be room temperature instead of melted?

Creaming room temperature butter with the sugars helps to aerate the dough and produces a bar that is more light and fluffy. If the butter is too warm or melted, the bars will be dense and have more of a brownie texture. To soften butter in a pinch, try placing a warm glass (without the glass touching any parts of the butter) over the stick of butter to soften it.

Step 2: Combine flour, baking soda and salt, then mix into the wet ingredients until well combined and the dough has a soft cookie dough texture that can be rolled between your palms without sticking.

Step 3: Press the cookie dough evenly into a greased or parchment lined 9 by 13 inch baking dish, then bake in the preheated oven for 20-25 minutes until the edges are golden and the bars are set (or almost set) in the center. Press Hershey’s chocolate kisses on top of the warm peanut butter bars in rows of 4 by 6-4 by 8, depending on the size of your baking dish. To keep the Hershey kisses intact, freeze or refrigerate the warm bars until cooled (1-2 hours).

Step 4: Allow the bars to cool completely, then cut into squares and enjoy!

Storage options for these peanut butter blossom bars:

These bars can be kept at room temperature for several days or refrigerated for up to a week in an airtight container or tightly wrapped. If you wish to keep the bars fresh for even longer, they can be frozen for up to 3 months in an airtight container.

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2 thoughts on “The Best Peanut Butter Blossom Bars”

  1. 5 stars
    These Peanut Butter Blossom Bars are delicious. My family loves them! The recipe is perfect. We couldn’t wait for them to cool off before doing a taste test! : )
    The recipe calls for 2/3 tsp. salt. I never saw a teaspoon measure divided into thirds, so I used 1/2 tsp..

    1. I’m glad you enjoyed them! I’m sure 1/2 teaspoon of salt would be fine if that makes it easier to measure.

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