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a baked oatmeal cookie with crushed peanuts on top

Peanut Butter Banana Oatmeal Cookies

These healthy, flourless breakfast cookies are simple to make with only 3 ingredients: peanut butter, bananas and oats! A simple, delicious and gluten-free snack.
5 from 1 vote
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Course: Breakfast, Snack
Cuisine: American
Keyword: flourless cookie, gluten-free oatmeal cookie, healthy breakfast cookie
Prep Time: 5 minutes
Cook Time: 15 minutes
Total Time: 20 minutes
Servings: 12

Ingredients

  • 2 medium bananas about 1 cup, mashed
  • 1 ¾ cups oats
  • ¾ cups peanut butter

Instructions

  • Pre-heat oven to 350 degrees F.
  • Peel the bananas and using the back of a fork, mash them on top of a cutting board until the big lumps are gone.
  • Add the mashed bananas, rolled oats and peanut butter to a large bowl. Mix until combined with a spatula.
  • Place mounds of the mixture - about 2 Tablespoons each - onto a cookie sheet, lined with parchment paper. Press them each down a little bit with your fingers as these cookies do not spread when they bake. If it's too sticky, use the back of a wet fork.
  • If you're adding any chopped nuts or shredded coconut, sprinkle that on top.
  • Bake in the pre-heated oven for 15 minutes. Remove from the oven and let cool.
  • Store in an air-tight container for 3 days or freeze for up to 3 months.

Notes

These cookies to not spread when they're baked so after you put the mixture into the mounds on the baking sheet, press them down a little bit.

Baking time tips:

If you like softer cookies, bake for 10 minutes
If you like a firmer cookie, go to 18-20 minutes.