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Banana Crumb Cake

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This Banana Crumb Cake is the perfect combination of moist banana cake and a buttery cinnamon crumble topping. It’s an easy homemade treat, ideal for breakfast, brunch, or dessert. Made with ripe bananas, warm spices, and a sweet streusel topping, this cake is a crowd-pleaser!

Ingredients

For the Crumb Topping:

  • 1 cup all-purpose flour
  • ½ cup granulated sugar
  • ½ cup brown sugar
  • 1 teaspoon cinnamon
  • ½ cup unsalted butter, melted

For the Cake:

  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • ½ teaspoon cinnamon
  • ½ cup unsalted butter, softened
  • ¾ cup granulated sugar
  • ¼ cup brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 ripe bananas, mashed
  • ½ cup sour cream or Greek yogurt

Instructions

For the Crumb Topping:

  • 1 cup all-purpose flour
  • ½ cup granulated sugar
  • ½ cup brown sugar
  • 1 teaspoon cinnamon
  • ½ cup unsalted butter, melted

For the Cake:

  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • ½ teaspoon cinnamon
  • ½ cup unsalted butter, softened
  • ¾ cup granulated sugar
  • ¼ cup brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 ripe bananas, mashed
  • ½ cup sour cream or Greek yogurt

Notes

  • For extra crunch, add chopped nuts (walnuts or pecans) to the crumb topping.
  • Store leftovers in an airtight container at room temperature for up to 3 days.
  • This cake freezes well for up to 3 months.