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One-Bowl Moist Banana Oatmeal Muffins for Quick Breakfast

Three golden brown oatmeal muffins topped with rolled oats, sitting on a light ceramic plate.

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Make incredibly soft, moist Banana Oatmeal Muffins using just one bowl. These healthy muffins are naturally sweetened with ripe bananas and are perfect for meal prep or grab-and-go breakfasts.

Ingredients

Scale
  • 1 3/4 cups old-fashioned rolled oats
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 teaspoon ground cinnamon
  • 1/2 cup unsweetened applesauce
  • 1/2 cup maple syrup
  • 1/4 cup melted coconut oil or vegetable oil
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 very ripe medium bananas, mashed (about 1 1/2 cups)
  • 1/2 cup milk (dairy or non-dairy)
  • 1/2 cup mix-ins like chocolate chips or 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, baking powder, cinnamon, and salt. Whisk these dry ingredients together.
  3. In a separate medium bowl, whisk together the applesauce, maple syrup, oil, eggs, and vanilla extract until smooth.
  4. Add the mashed bananas to the wet ingredients and stir until just combined.
  5. Pour the wet mixture into the dry ingredients. Stir gently until everything is barely mixed. Do not overmix.
  6. Fold in any optional mix-ins like chocolate chips or nuts, if using.
  7. Divide the batter evenly among the 12 prepared muffin cups, filling each about two-thirds full.
  8. Bake for 18 to 22 minutes, or until a toothpick inserted into the center of a muffin comes out clean.
  9. Let the oatmeal muffins cool in the pan for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • For the best moisture, use bananas that are heavily spotted or almost completely brown.
  • These are excellent for meal prep; store cooled muffins in an airtight container at room temperature for up to 3 days or freeze for up to 3 months.
  • If you prefer a less sweet muffin, reduce the maple syrup to 1/3 cup, as the bananas provide natural sweetness.

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