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4 ingredient oatmeal cookies

4 Ingredient Oatmeal Cookies

  • Author: Katherine
  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Total Time: 25 minutes
  • Yield: 45 small cookies 1x


4 ingredient oatmeal cookies that you can feel good about! These easy oatmeal cookies with few ingredients are flourless and totally gluten-free.


  • 3 very ripe bananas
  • 1 cup smooth peanut butter*
  • 3 cups rolled oats
  • 1/2 cup chocolate chips (optional)


  1. Preheat the oven to 350 F and line a large cookie sheet with parchment paper or a silicone baking mat.
  2. In the bowl of a stand mixer, or by hand, combine the bananas and peanut butter until fully incorporated. Add in the oats, and stir to combine. If using chocolate chips, add and stir in.
  3. Using 1 tablespoon at a time, drop cookies onto the cookie sheet, about 2 inches apart, flattening slightly. Cookies do not spread much.
  4. Bake for 14-16 minutes; or until just beginning to brown around the edges. Mine were perfect at 14 minutes. Allow the cookies to cool for a few minutes in the pan before removing and cooling completely on a wire rack.

Cookies will store at room temperature, in an airtight container for up to 2 weeks.


  1.  I use all-natural peanut butter in my recipe, but you could definitely use whatever nut butter you prefer!
  2. My cookies were fairly small. If you’d like larger cookies, use 1.5 tbsp per cookie and increase cook time to about 16-18 minutes.
  • Category: cookies
  • Method: oven bake
  • Cuisine: american

Keywords: 4 ingredient oatmeal cookies // easy oatmeal cookies with few ingredients // flourless oatmeal cookies! // healthy oatmeal cookies no flour // healthy oatmeal cookies

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