Banana Bread Crumb Cake Recipe

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Nelson Published: August 13, 2021 Modified: August 31, 2021
Banana Bread Crumb Cake Recipe

How To Make Banana Bread Crumb Cake

This crumb cake has the flavors of the beloved banana bread. The cake itself is tender and the crumb is crisp and sweet, making it a decadent fruit treat!

Preparation: 10 minutes
Cooking: 45 minutes
Total: 55 minutes



For Banana Cake:

  • ½cupunsalted butter,room temperature
  • ½cupwhite sugar
  • ½cuplight brown sugar
  • 2large eggs
  • 1tspvanilla extract
  • 3ripe bananas,mashed
  • 2cupsall purpose flour
  • ½tspbaking powder
  • ½tspbaking soda
  • ½tspsalt
  • ½tspground cinnamon
  • cupbuttermilk

For Crumb Topping:

  • ½cuplight brown sugar
  • ½cupall purpose flour
  • ½tspground cinnamon
  • 3tbspbutter,melted


  1. Preheat oven to 350 degrees F. Line a square baking pan with parchment paper or spray with non stick baking spray.

  2. In a small mixing bowl, prepare the crumb by mixing together the light brown sugar, flour and cinnamon. Stir to combine. Then using a fork mix, until large crumbs are formed. Set aside.

  3. In a large mixing bowl add the room temperature butter, white and light brown sugars. Cream together. Add in the eggs and vanilla extract. Stir to combine.

  4. Mash the bananas with a fork, then add to the batter, stir to combine, will be slightly lumpy.

  5. In a medium size mixing bowl, combine the dry ingredients: flour, baking powder, baking soda, salt, ground cinnamon, then stir with a fork to mix.

  6. Add to the wet ingredients, stir slowly and pour in the buttermilk while stirring. Stir until just combined.

  7. Pour the batter into the prepared baking pan and sprinkle the crumbs on top. Gently press the crumbs into the batter to help stick.

  8. If using an 8×8-inch pan, bake for about 45 to 50 minutes. If using a 9×9-inch pan, bake for about 35 to 40 minutes.

  9. Allow to cool for about 30 minutes prior to serving. If desired top with icing.


  • Calories: 310.97kcal
  • Fat: 11.82g
  • Saturated Fat: 7.09g
  • Trans Fat: 0.43g
  • Monounsaturated Fat: 3.11g
  • Polyunsaturated Fat: 0.69g
  • Carbohydrates: 47.65g
  • Fiber: 1.57g
  • Sugar: 24.39g
  • Protein: 4.64g
  • Cholesterol: 59.51mg
  • Sodium: 207.92mg
  • Calcium: 55.43mg
  • Potassium: 184.31mg
  • Iron: 1.57mg
  • Vitamin A: 105.12µg
  • Vitamin C: 2.66mg
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