peanut butter banana oatmeal cookies on a cooling rack

Peanut Butter Banana Oatmeal Cookies

  • Author: purelykaylie
  • Prep Time: 5 minutes
  • Cook Time: 15 minutes
  • Total Time: 20 minutes
  • Yield: 8 cookies 1x
  • Category: Dessert
  • Method: Bake
  • Cuisine: American


These peanut butter banana oatmeal cookies are vegan, gluten-free, and oil-free. It’s an easy recipe that only requires three ingredients and one bowl!




  1. Preheat the oven to 375 degrees F.
  2. In a large bowl, mash the ripe bananas until nearly smooth. Add in the rest of the ingredients. Stir to combine.
  3. Line a baking tray with parchment paper. Alternatively, grease the tray with non-stick spray.
  4. Scoop balls of the cookie dough onto the tray. After, use a spoon to flatten the dough. 
  5. Bake for 15-17 minutes or until golden brown. 


  • Store in an airtight container. The cookies should remain fresh for 3-5 days. 


  • Serving Size: 1 cookie
  • Calories: 219
  • Sugar: 12g
  • Fat: 10g
  • Saturated Fat: 3g
  • Carbohydrates: 32g
  • Fiber: 5g
  • Protein: 7g

Keywords: peanut butter banana oatmeal cookies, 3 ingredient, breakfast cookies