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One-Bowl Healthy Banana Oatmeal Muffins for Quick Breakfast

A stack of four freshly baked, golden brown oatmeal muffins with visible oat topping, sitting on a white plate.

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Learn to make incredibly moist and fluffy banana oatmeal muffins using just one bowl. These muffins are naturally sweetened with ripe bananas, making them a healthy, quick breakfast or kid-friendly snack perfect for meal prep.

Ingredients

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  • 1 1/2 cups rolled oats
  • 1 teaspoon baking soda
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1 cup mashed ripe bananas (about 3 medium)
  • 1/4 cup maple syrup (or honey)
  • 1 large egg
  • 1/4 cup melted coconut oil (or vegetable oil)
  • 1 teaspoon vanilla extract
  • 1/4 cup milk (dairy or non-dairy)

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 bowl (your one bowl!), combine the rolled oats, baking soda, cinnamon, and salt. Mix these dry ingredients together.
  3. In a separate smaller bowl, whisk together the mashed bananas, maple syrup, egg, melted oil, vanilla extract, and milk until smooth.
  4. Pour the wet ingredients into the dry ingredients. Stir gently with a spatula until just combined. Do not overmix; a few lumps are fine.
  5. Divide the batter evenly among the 12 muffin cups, filling each about two-thirds full.
  6. Bake for 18 to 20 minutes, or until a toothpick inserted into the center of a muffin comes out clean.
  7. Let the muffins cool in the pan for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • For extra flavor, add 1/2 cup of chocolate chips or chopped walnuts to the batter before scooping.
  • These muffins freeze well. Cool completely, then store in an airtight container in the freezer for up to three months.
  • If your bananas are not very ripe, you may need to add an extra tablespoon of maple syrup for sweetness.

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