KAHLÚA MOCHA MARBLED BANANA BREAD

Name: KAHLÚA MOCHA MARBLED BANANA BREAD
Ingredients: 4 medium ripe bananas (see note above); 6 tablespoons dark brown sugar (85 g ); 1 teaspoon cinnamon; 1 tablespoon butter (unsalted); 1/4 cup Kahlúa; 2 teaspoon vanilla; 1 cup bread flour (160 g ); 3/4 cup whole wheat flour (120 g ); 1/2 teaspoon kosher salt; 1/2 teaspoon baking soda; 1 teaspoon baking powder; 1 cup packed dark brown sugar (220 g ); 1/2 cup melted butter, unsalted (115 g ); 1/4 cup Greek-style yogurt (75 g ); 1/2 cup Kahlúa; 1/2 cup natural cocoa powder, unsweetened (45 g )