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Cozy Zucchini Banana Muffins Easy Recipe with Crunchy Cinnamon Oat Streusel

zucchini banana muffins - featured image

These Cozy Zucchini Banana Muffins combine moist zucchini and banana with a crunchy cinnamon oat streusel topping for a comforting and wholesome treat perfect for breakfast or snacks.

Ingredients

Scale
  • 1 ½ cups all-purpose flour (190 grams)
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 teaspoon ground cinnamon
  • 2 large ripe bananas, mashed
  • 1 cup zucchini, grated and gently squeezed to remove excess water (about 1 medium zucchini)
  • ⅓ cup brown sugar, packed
  • ⅓ cup granulated sugar
  • 1 large egg, room temperature
  • ⅓ cup vegetable oil or melted coconut oil
  • 1 teaspoon vanilla extract
  • ½ cup rolled oats
  • ¼ cup all-purpose flour
  • ¼ cup brown sugar, packed
  • 1 teaspoon ground cinnamon
  • 3 tablespoons cold unsalted butter, cubed

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 12-cup muffin tin with paper liners or grease it lightly.
  2. Prepare the streusel topping: In a small bowl, combine ½ cup rolled oats, ¼ cup flour, ¼ cup brown sugar, and 1 teaspoon cinnamon. Add cold cubed butter and use a pastry cutter or fork to mix until crumbly and clumpy. Set aside in the fridge to keep cold while you prepare the batter.
  3. Grate the zucchini using a box grater. Place the grated zucchini in a clean kitchen towel and gently squeeze out excess moisture.
  4. Mix dry ingredients: In a medium bowl, whisk together 1 ½ cups flour, baking soda, baking powder, salt, and 1 teaspoon cinnamon.
  5. Combine wet ingredients: In another bowl, mash 2 ripe bananas with a fork until smooth. Add the grated zucchini, ⅓ cup brown sugar, ⅓ cup granulated sugar, 1 large egg, ⅓ cup vegetable oil, and 1 teaspoon vanilla extract. Whisk until just combined.
  6. Add the dry ingredients to the wet mixture and gently fold together with a spatula. Avoid overmixing; a few lumps are okay.
  7. Spoon batter evenly into the prepared muffin tin, filling each about ¾ full.
  8. Sprinkle the chilled cinnamon oat streusel generously over each muffin.
  9. Bake for 20–25 minutes, or until a toothpick inserted in the center comes out clean and the streusel is golden brown and crunchy.
  10. Allow muffins to cool in the tin for 5 minutes before transferring to a wire rack.

Notes

Drain zucchini well to avoid soggy muffins. Use ripe bananas for natural sweetness. Keep butter cold for the streusel to maintain crumbly texture. Avoid overmixing batter to prevent tough muffins. Tent with foil if streusel browns too fast. Streusel can be prepared a day ahead and refrigerated.

Nutrition

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