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Peanut Butter Oatmeal Cookies (with blueberries or chocolate chips!)

Packed with the goodness of oats, the richness of peanut butter, and the sweet burst of blueberries or indulgent chocolate chips, these cookies are perfect for breakfast, a snack, or dessert. They’re easy to make and sure to become a family favorite!
Course Dessert
Cuisine American
Keyword cookies
Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings 16 cookies
Calories 246kcal
Author Tawnie Graham of Kroll's Korner

Equipment

Ingredients

  • 1 cup peanut butter, creamy warmed in the microwave for ~20-30 seconds so it's drippy
  • 1/2 cup dark brown sugar, packed
  • 2 Tbsp. whole milk
  • 1 large egg, room temperature
  • 2 tsp. vanilla extract
  • 1 cup old fashioned rolled oats
  • 1 tsp. baking soda
  • 1/4 tsp. kosher salt
  • pinch ground cinnamon
  • 1 cup blueberries or chocolate chips
US Customary - Metric

Instructions

  • Preheat the oven to 350° F and line 2 baking sheets with parchment paper. Set aside.
  • In a mixing bowl, whisk together the peanut butter, brown sugar, milk, egg, and vanilla.
    1 cup peanut butter, creamy, 1/2 cup dark brown sugar, packed, 2 Tbsp. whole milk, 1 large egg, room temperature, 2 tsp. vanilla extract
  • Add in the dry ingredients and stir until combined.
    1 cup old fashioned rolled oats, 1/4 tsp. kosher salt, pinch ground cinnamon, 1 tsp. baking soda
  • Gently fold in the blueberries to avoid smashing them (or fold in chocolate chips). Refrigerate for 15-30 minutes.
    1 cup blueberries or chocolate chips
  • Scoop and roll, once again be gentle with blueberries so they don't burst. (Will yield ~16 cookies). Place on a baking sheet and press down to flatten a bit.
  • Bake for ~10-12 minutes. Cookies will be soft at first but they will set up as they cool. Cool on a baking sheet ~10 minutes, and transfer to a wire rack.
  • Enjoy as is or with a drizzle of peanut butter on top! Store in the fridge for up to 1 week or in the freezer for up to 3 months.

Notes

  • Substitute fresh blueberries with dried ones if you prefer a chewier texture.
  • Add a handful of chopped nuts or seeds for extra crunch.
  • Swap peanut butter with almond butter, cookie butter, or another nut butter if you have a preference

Nutrition

Serving: 1cookie | Calories: 246kcal | Carbohydrates: 20g | Protein: 8g | Fat: 16g | Saturated Fat: 3g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 7g | Trans Fat: 0.002g | Cholesterol: 16mg | Sodium: 235mg | Potassium: 217mg | Fiber: 3g | Sugar: 9g | Vitamin A: 32IU | Vitamin C: 1mg | Calcium: 30mg | Iron: 1mg