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white bowl full of healthy banana oat muffins with white and yellow striped kitchen towel

Healthy Banana Oat Muffins

  • Author: Katelyn
  • Total Time: 50 minutes
  • Yield: 12 muffins 1x


These healthy banana oat muffins are rich in nutrients and packed with a variety of superfoods including oats, Greek yogurt, whole grains, and walnuts. They are moist and delicious and make for a perfect everyday, quick nutritious breakfast on the go that will leave you feeling full. 



Wet ingredients

  • 1/2 cup old fashioned rolled oats, soaked in 2/3 cup 2% milk for 30 minutes
  • 2 cups ripe banana, smashed (about 4 bananas)
  • 1/4 cup full fat plain Greek yogurt
  • 1/3 cup honey
  • 1 1/2 teaspoons vanilla
  • 1 egg plus 1 egg yolk, room temperature

Dry Ingredients

  • 1 cup all purpose flour
  • 1 cup whole wheat flour
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon cinnamon
  • 3/4 teaspoon salt


  • 1/2 cup chopped walnuts
  • 1 tablespoon flaxseed 



  1. Preheat oven to 375 degrees F and generously grease a muffin pan with non-stick cooking spray. (avoid muffin/cupcake liners).
  2. Combine all wet ingredients in a large mixing bowl adding the egg + yolk last to avoid overmixing. Prior to adding the egg, be sure to mix very well as the Greek yogurt tends to clump up. You can also use a stand mixer with the paddle attachment if you prefer.
  3. Whisk dry ingredients together in a medium sized mixing bowl. 
  4. Add the dry ingredients to the wet ingredients and thoroughly combine with a whisk or large spatula.
    stainless steel bowl with healthy banana oat muffin batter and whisk
  5. Stir in chopped walnuts and flaxseed.
  6. Use a large cookie scoop to fill each muffin cup with batter and sprinkle the tops with chopped walnuts.
    muffin pan filed with healthy banana nut muffin batter topped with chopped walnuts
  7. Bake muffins on middle oven rack for 20 minutes or until cooked through. You can insert a toothpick into the center of a muffin to test for doneness. It should be dry when removed.
  8. Remove pan from oven and transfer the muffins to a wire rack for cooling.
    Baked healthy banana oat muffins cooling in the muffin pan on a wire rackbaked healthy banana oat muffins cooling on a wire rack


  • Feel free to add more flaxseed to boost the fiber content in these muffins
  • Make sure your bananas are ripe to maximize their natural sweetness!
  • Avoid using muffin/cupcake liners as these muffins will stick due to their lack of oil/butter.
  • Prep Time: 30 minutes
  • Cook Time: 20 minutes
  • Category: Muffins
  • Method: Baked
  • Cuisine: American

Keywords: banana, nut, oats, healthy, muffins

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