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One-Bowl Healthy Banana Oatmeal Muffins for Quick Breakfast

A stack of three golden brown, healthy oatmeal muffins sitting on a white plate.

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Make these incredibly soft, moist banana oatmeal muffins using just one bowl. Naturally sweetened with ripe bananas, these healthy muffins are perfect for meal prep, grab-and-go breakfasts, or kid-friendly snacks. Bake these wholesome treats in under 30 minutes.

Ingredients

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  • 1 1/2 cups rolled oats
  • 1 teaspoon baking soda
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 3 large ripe bananas, mashed (about 1 1/2 cups)
  • 1/4 cup maple syrup or honey
  • 1/4 cup melted unsalted butter or coconut oil
  • 1 large egg, lightly beaten
  • 1 teaspoon vanilla extract
  • 1/2 cup milk (dairy or non-dairy)
  • 1/2 cup mix-ins like chocolate chips or chopped walnuts (optional)

Instructions

  1. Preheat your oven to 375°F (190°C). Line a 12-cup muffin tin with paper liners or grease well.
  2. In a large mixing bowl, combine the rolled oats, baking soda, cinnamon, and salt. Whisk these dry ingredients together.
  3. Add the mashed bananas, maple syrup, melted butter or oil, egg, and vanilla extract to the same bowl. Mix until just combined. Do not overmix.
  4. Pour in the milk and stir gently until the batter is uniform. If using, fold in any optional mix-ins now.
  5. Divide the batter evenly among the 12 muffin cups, filling each about two-thirds full.
  6. Bake for 18 to 22 minutes, or until a toothpick inserted into the center of a muffin comes out clean.
  7. Let the oatmeal muffins cool in the pan for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • For extra moisture, use very ripe, spotty bananas.
  • These freezer friendly muffins keep well for up to three months when stored in an airtight container.
  • If you prefer a less sweet muffin, reduce the maple syrup to 3 tablespoons.

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