Soft Peanut Butter Sugar Cookies With Fluffy Chocolate Frosting

Soft Peanut Butter Sugar Cookies With Fluffy Chocolate Frosting

Published on January 18, 2024 | By

Ingredients

  • 1 cup salted butter, softened
  • 1 cup creamy peanut butter
  • ¼ cup canola oil
  • 1 ¼ cups granulated sugar
  • ¾ cup powdered sugar
  • ½ teaspoon baking soda
  • ½ teaspoon cream of tartar
  • ½ teaspoon salt
  • 2 tablespoons sour cream
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 5 ¼ cups all-purpose flour
  • ½ cup granulated sugar, for dipping
  • Fudge Frosting
  • ½ cup salted butter, softened
  • 1 tablespoon sour cream
  • ½ teaspoon vanilla extract
  • 2 cups powdered sugar
  • ⅓ cup Dutch-process cocoa powder
  • ¼ cup heavy cream

Instructions

  1. Preheat the oven to 350 degrees F (or 325 degrees F for convection bake) and line several half sheet pans with parchment paper.
  2. In the bowl of a stand mixer fitted with the paddle attachment (or in a bowl using a handheld electric mixer), add the butter, peanut butter, oil, granulated sugar and powdered sugar. Sprinkle the baking soda, cream of tartar, and salt across the top of the sugars. Mix until well-combined and super creamy, 1-2 minutes, scraping down the sides of the bowl as needed.
  3. Add the sour cream, eggs and vanilla and mix until well-combined, 1-2 minutes, again scraping down the sides of the bowl as needed.
  4. Add the flour and mix until no dry streaks remain and the mixture is evenly combined; don’t overmix.
  5. Scoop the dough into 2-tablespoon size balls and roll into balls. Place the cookies several inches apart on the prepared baking sheets. Lightly spray the bottom of a flat-bottomed glass with cooking spray and dip into granulated sugar. Press each cookie to about 1/4-inch thick.
  6. Bake the cookies for 7-8 minutes until just set. DO NOT OVER BAKE. In fact, under baking these cookie by just a bit is key.
  7. Let the cookies cool for a few minutes on the baking sheets before removing to a cooling rack to cool completely.
  8. For the frosting, in a medium bowl (can use a handheld or stand mixer) combine the butter, sour cream and vanilla. Mix until thick and smooth and creamy, 1-2 minutes. Add the powdered sugar, cocoa powder, and cream, and mix until well-combined and fluffy, 1-2 minutes. Scrape down the sides of the bowl as needed. Add additional cream, if needed, to adjust the consistency of the frosting so it is thick but still soft and spreadable.
  9. Frost the cooled cookies and decorate with chocolate sprinkles, if desired.
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