A moist banana-spiced coffee cake topped with buttery cinnamon streusel — perfect for breakfast, brunch, or snacking with a warm drink.
Cake Batter:
1½ cups mashed ripe bananas
2 cups all-purpose flour
1 tsp baking soda
1 tsp baking powder
½ tsp salt
1 tsp cinnamon
½ cup butter (or oil)
¾ cup brown sugar
2 large eggs
1 tsp vanilla extract
½ cup sour cream or yogurt
Streusel Topping:
¾ cup flour
½ cup brown sugar
1 tsp cinnamon
¼ tsp salt
6 tbsp cold butter, cubed
Preheat oven to 350°F. Grease an 8×8 or 9×9 pan.
Make streusel: Mix dry ingredients, cut in butter until crumbly. Chill.
In a bowl, whisk flour, leaveners, salt, and cinnamon.
In a large bowl, cream butter and sugar. Add eggs, bananas, vanilla.
Stir in dry ingredients, then fold in sour cream.
Spread batter in pan. Top with chilled streusel.
Bake 40–45 mins or until toothpick comes out clean.
Cool before slicing. Optionally glaze or dust with powdered sugar.
Stores well and freezes beautifully. Add chocolate chips or nuts for variety.