3 banana cake with crunchy topping Recipes

cake flour, baking powder, baking soda, salt, granulated sugar, shortening (i use golden crisco ), sour milk (milk with 2 tbsp. vinegar or lemon juice works too), mashed ripe banana (i use 1 1/2 cups for a really moist cake), eggs, vanilla, margarine or 1/4 cup butter, light brown sugar, shredded coconut, chopped nuts (i use ground almonds)

flour, baking powder, baking soda, salt, granulated sugar, butter, buttermilk or 1/4 cup soured milk, mashed ripe banana (3 to 4), eggs, vanilla, buttermilk or 1/4 cup soured milk, butter, brown sugar, light cream (10%), flaked coconut, chopped nuts