Mix all of the topping ingredients together and set aside. Web add the mashed banana, egg, sour cream, and vanilla extract. Mix on medium speed until combined. Web add dry ingredients to the wet ingredients. In a separate bowl, combine the sour. Sprinkle half the streusel mixture on top. Web directions preheat oven to 350f and grease a bundt pan. Spread half the batter over the bottom of an 8×8 pan. In a medium mixing bowl, whisk the flour, baking powder, baking soda, cinnamon, and salt. Combine melted butter, sugar, eggs and bananas and mix well.
Sprinkle half the streusel mixture on top. In a separate bowl, combine the sour. Spread half the batter over the bottom of an 8×8 pan. Web directions preheat oven to 350f and grease a bundt pan. In a medium mixing bowl, whisk the flour, baking powder, baking soda, cinnamon, and salt. Combine melted butter, sugar, eggs and bananas and mix well. Sprinkle half the streusel mixture on top. Web add dry ingredients to the wet ingredients. Mix on medium speed until combined. Web add the mashed banana, egg, sour cream, and vanilla extract. Mix all of the topping ingredients together and set aside.
