Peanut Butter Cake Mix Brownies

Yummy gooeyness if you love the peanut butter and chocolate combo! Optional: Sprinkle with confectioners' sugar while brownies are still warm.

Prep Time:
15 mins
Cook Time:
35 mins
Total Time:
50 mins
1 9x13-inch pan


  • cooking spray

  • 1 (18.25 ounce) package devil's food cake mix

  • ½ cup butter, melted

  • 1 egg

  • 1 (14 ounce) can sweetened condensed milk

  • ¾ cup peanut butter

  • ½ cup chocolate chips

  • ½ cup crushed peanut butter cups (such as Reese's®)


  1. Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking pan with cooking spray.

  2. Stir cake mix, butter, and egg together in a large bowl. Press half of the dough into the bottom of the greased baking pan.

  3. Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 10 minutes.

  4. Mix condensed milk, peanut butter, chocolate chips, and peanut butter cups together thoroughly in a bowl. Spread over the baked cake layer.

  5. Pinch off small pieces of the remaining cake dough and scatter evenly over the condensed milk layer.

  6. Bake in the preheated oven until edges are set and top is dry, about 25 minutes.

Nutrition Facts (per serving)

265 Calories
15g Fat
30g Carbs
6g Protein
Nutrition Facts
Servings Per Recipe 24
Calories 265
% Daily Value *
Total Fat 15g 19%
Saturated Fat 6g 32%
Cholesterol 28mg 9%
Sodium 258mg 11%
Total Carbohydrate 30g 11%
Dietary Fiber 1g 3%
Total Sugars 23g
Protein 6g
Vitamin C 0mg 2%
Calcium 77mg 6%
Iron 1mg 7%
Potassium 243mg 5%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.