Marbled Chocolate Coffee Cake with Cashew Crumb Topping

Ingredients

• 1 ripe banana
• 1 egg
• 2/3 cup milk
• 1/2 cup sugar
• 1/4 cup vegetable oil
• 1/4 cup applesauce
• 1 teaspoon vanilla
• 2 cups flour I used spelt flour
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 1 tablespoon unsweetened cocoa powder
• 1/4 cup cold butter cut into 1″ cubes
• 1/3 cup flour
• 1/4 cup sugar
• 1/3 cup cashew pieces
• 1/3 cup mini chocolate chips