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0 from 45 votes

Peanut Butter Oatmeal Bars

Thick oatmeal bars with peanut butter streusel and a creamy, peanut butter frosting drizzle.

Prep Time
20 mins
Cook Time
20 mins
Total Time
48 mins
Servings: 12 servings
Calories: 361 kcal
Course: Dessert
Cuisine: American

Ingredients

  • 1/2 cup butter softened
  • 1/2 cup white sugar
  • 1/2 cup packed brown sugar
  • 1 large egg
  • 1/3 cup creamy peanut butter
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 teaspoon vanilla
  • 1 cup all-purpose flour
  • 1 cup quick cook oats
Peanut Butter Streusel:
  • 1/2 cup plus 1 tablespoon all-purpose flour
  • 1/2 cup packed brown sugar
  • 1/4 cup butter softened
  • 3 tablespoons creamy peanut butter
Peanut Butter Drizzle:
  • 1/2 cup powdered sugar
  • 1/4 cup peanut butter
  • 2-4 teaspoons milk

Instructions

    Cup of Yum
  1. Preheat the oven to 350 degrees.
  2. In the bowl of a stand mixer, cream together the butter and sugars. Add the egg, peanut butter, baking soda, salt and vanilla. Mix well. Stir in the flour and oats. Mix just until combined. Spread in an 8x8 pan that has been sprayed with cooking spray.
  3. In a small bowl, combine the ingredients for the streusel. Mix until the mixture is crumbly. Sprinkle over the top of the batter. Bake at 350 degrees for 25-28 minutes.
  4. Once the bars have cooled to room temperature, mix the powdered sugar and peanut butter in a small bowl. Add the milk, a teaspoon at a time, until the mixture becomes a drizzling consistency.
  5. Pour the peanut butter drizzle over the oatmeal bars. Allow the drizzle to set for 10 minutes, then serve.
  6. Store any leftovers in an airtight container.

Notes

  • If you want the bars to come out cleanly for easy and neat cutting, line the baking pan with parchment paper before pressing the batter into the pan.

Nutrition Information

Serving 77g Calories 361kcal (18%) Carbohydrates 41g (14%) Protein 6.5g (13%) Fat 20g (31%)

Nutrition Facts

Serving: 12servings

Amount Per Serving

Calories 361

% Daily Value*

Serving 77g
Calories 361kcal 18%
Carbohydrates 41g 14%
Protein 6.5g 13%
Fat 20g 31%

* Percent Daily Values are based on a 2,000 calorie diet.