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Crispy Air Fryer Banana Bread Muffins with Walnut Crumble

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These muffins feature crispy edges with a tender, moist banana bread inside and a nutty, sugary walnut crumble topping. Made quickly in an air fryer, they are a perfect snack or breakfast treat.

Ingredients

Scale
  • 3 medium ripe bananas, mashed
  • 1 ½ cups all-purpose flour (190g)
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 teaspoon ground cinnamon
  • ⅓ cup granulated sugar (67g)
  • ¼ cup brown sugar (50g)
  • 6 tablespoons unsalted butter, melted and cooled (85g)
  • 1 large egg, room temperature
  • 1 teaspoon vanilla extract
  • ½ cup chopped walnuts (60g)
  • ⅓ cup brown sugar (67g) for crumble
  • 2 tablespoons unsalted butter, cold and cubed (28g) for crumble
  • ½ teaspoon cinnamon for crumble

Instructions

  1. In a medium bowl, mash 3 ripe bananas with a fork or potato masher until mostly smooth with a few small lumps (2-3 minutes).
  2. Add 6 tablespoons melted, cooled butter, 1 large room-temperature egg, 1 teaspoon vanilla extract, ⅓ cup granulated sugar, and ¼ cup brown sugar to the mashed bananas. Stir until well combined (1-2 minutes).
  3. In a separate large bowl, whisk together 1 ½ cups all-purpose flour, 1 teaspoon baking soda, ½ teaspoon salt, and 1 teaspoon ground cinnamon.
  4. Pour the wet ingredients into the dry and gently fold together using a spatula or wooden spoon until no dry flour remains. Do not overmix; batter will be thick and slightly lumpy.
  5. Prepare the walnut brown sugar crumble by combining ½ cup chopped walnuts, ⅓ cup brown sugar, and ½ teaspoon cinnamon in a small bowl. Add 2 tablespoons cold, cubed butter and cut into the mixture with a pastry cutter or two forks until crumbly (3-4 minutes).
  6. Grease muffin tin or place silicone muffin cups inside. Spoon banana batter evenly into 9 muffin cups, filling each about ¾ full. Sprinkle walnut crumble generously on top of each muffin.
  7. Preheat air fryer to 320°F (160°C) if required. Place muffin tin in air fryer basket and cook for 12-15 minutes. Check at 12 minutes with a toothpick; if clean, muffins are done. Crumble should be golden and crunchy.
  8. Let muffins cool in the tin for 5 minutes, then transfer to a wire rack. Serve warm or at room temperature.

Notes

Do not overmix the batter to keep muffins tender. Use ripe bananas for best flavor. Preheat air fryer if your model requires it. Watch the crumble topping closely to prevent burning; reduce temperature if needed. Silicone muffin cups help prevent sticking and make removal easier.

Nutrition

Keywords: banana bread, air fryer muffins, walnut crumble, quick snack, crispy muffins, banana muffins, easy recipe

Find it online: https://tempotaste.com/crispy-air-fryer-banana-bread-muffins-with-walnut-crumble-recipe/