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Close up of cast iron skillet with peanut butter blondies, ice cream scoop and spoon.

Peanut Butter Skillet Blondies

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I'm totally obsessed with these skillet blondies with peanut butter and chocolate chips. They're gooey and fudgy, and just plain amazing. I recommend eating it family-style directly from the cast-iron skillet with some cinnamon or vanilla ice cream on top. 

  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings


  • 2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 14 Tbs scant 1 cup unsalted butter
  • 1 cup light brown sugar
  • 1/2 cup white sugar
  • 2 eggs
  • 1 teaspoons vanilla extract
  • 6 Tbs peanut butter
  • 1/2 cup salted peanuts
  • 4 oz semisweet chocolate (cut into uneven chunks)
  • Cinnamon ice cream ( see recipe here)


  1. Preheat the oven to 350ºF / 180ºC.
  2. Heat an 8-inch cast iron skillet over low heat for 1 or 2 minutes. Add butter, and when it's half melted, add sugar and mix with a whisk.
  3. Add eggs and mix quickly. Remove skillet from the heat. Add flour, baking powder, cinnamon and salt. Mix carefully, and  then mix in vanilla.
  4. Stir in peanuts, and add mounds of peanut butter and chocolate chunks. Mix it just a few times to marble, but not too much or the chocolate will all melt.
  5. Bake for 35 minutes, or until top is dry but center is still somewhat wet.
  6. Remove from the oven. Serve with scoops of cinnamon ice cream.


You can use almond butter instead of peanut. 

  • Author: Paula Montenegro
  • Prep Time: 25 minutes
  • Cook Time: 40 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American