16101 Bolsa Chica St, Ste A Huntington Beach, CA 92649

3-Ingredient Protein Cookies

These Banana Oatmeal Protein Cookies are packed with protein, fiber, vitamins, and minerals and come together with just three ingredients.


  • 2 large (1 cup) overripe bananas (frozen and thawed is OK )
  • 1/4 cup protein powder, flavor of choice (I use dark chocolate or peanut butter from Bad Athletics – use the code: aftann for 10% off the entire order)
  • 1 cup old-fashioned or quick oats (Either works—it’s a slight difference in texture, just don’t use instant oats.)
  • Optional add-ins: sea salt; raisins, dried cranberries, dried fruit, nut butter, shredded coconut; cinnamon, pumpkin pie spice, chocolate chips, nuts or seeds.


  1. Preheat the oven to 350 degrees F, and line a baking sheet with parchment paper (or lightly grease it).
  2. In a mixing bowl, mash the bananas with a fork until smooth.
  3. Mix in protein powder until it’s not clumpy and stir in the oats. I like to add a pinch or two of salt.
  4. Spoon mounds of the mixture onto the prepared baking sheet.
  5. Use the back of a spoon to shape them into circles if you aren’t using an ice cream scoop. Flatten to desired thickness as the cookies will not spread during baking.
  6. Bake for 12-16 minutes, depending on the thickness of the cookie.


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