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Rich Peanut Blossom Bars

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1/2 cup butter, softened
3/4 cup peanut butter
1/3 cup granulated sugar
1/2 cup light brown sugar
1 egg
1 egg yolk
2 tablespoons whole milk
2 teaspoons vanilla
1-1/3 cups flour
1 teaspoon baking soda
1/4 teaspoon salt
2 cups chopped peanut butter cup candies
1 (12 ounce) package semisweet chocolate chips
1/2 cup peanut butter

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Rich Peanut Blossom Bars

  • Serves 24
  • Easy

About This Recipe

I have always loved Peanut Blossoms, that classic Pillsbury Bake-Off recipe that tops a tender peanut butter cookie with a chocolate kiss. I changed the recipe quite a bit over the years, using all butter, reducing the flour for a more tender cookie, and adding a chilling step.

But the cookie is fussy to make. You can make the shaping and baking an occasion, of course, but what if you don’t want to spend all that time shaping and baking dozens of cookies?

You turn them into bar cookies, of course!

And to make the cookies even better, I added peanut butter cups (of course), and a rich chocolate and peanut butter frosting in place of the chocolate kisses.

You will adore this recipe.



Preheat the oven to 350°F. Spray a 9" x 13" pan with nonstick baking spray with flour and set aside.


In a large bowl, combine the butter and 3/4 cup peanut butter and beat until combined. Add the granulated sugar and the brown sugar and beat until creamy. Then add the egg, egg yolks, milk, and vanilla.


Add the flour, baking powder, and salt to the batter and mix until combined.


Spread the dough in the pan and smooth the top. Bake for 20 to 30 minutes or until the bars are light golden brown and just set. Do not over bake.


As soon as the bars come out of the oven, sprinkle with all of the chopped peanut butter cups.


Then combine the chocolate chips and 1/2 cup peanut butter in a small microwave-safe bowl. Microwave on high for 1 minute, then remove and stir. Continue microwaving this mixture for 30 second intervals on high, stirring after each interval, until the chips are melted and the frosting is smooth.


Pour the frosting over the warm bars and gently spread to coat. Let the bars stand until they are cool, then cut into squares to serve.


Linda Larsen has a B.A. in Biology from St. Olaf College, and a B.S. in Food Science and Nutrition with High Distinction from the University of Minnesota. She has worked for the Pillsbury Company on the Bake-Off and in their test kitchens since 1988. Linda has written 37 cookbooks (and Medical Ethics for Dummies) since 2005.

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