Alternately beat in the flour mixture and the milk until just combined. Spray a 10 inch bundt pan with cooking spray. Blackberry Coffee Cake – Recipe from Yummiest Food Cookbook Add the remaining 1/2 cup sugar; beat until light and fluffy. Blackberry Coffee Cake Ingredients: Almond Flour - I’ve really come to prefer almond flour in baked goods. Gently mix together with a spoon. It gives a tender crumb in cakes, cookies, and biscuits.… Coconut Flour - Just a little bit of coconut flour goes a long way. This is my favorite homemade coffee cake recipe, and the addition of blackberries takes it over the top! In a large bowl using a mixer combine the yellow cake mix, butter, eggs, milk and sour cream. Beat in the egg and vanilla. In a large mixing bowl, cream the remaining 1/4 cup butter with an electric mixer on medium speed. For the cake; in a medium bowl, whisk together 1 cup flour, baking powder, ginger and salt. In a smaller bowl combine the blackberries, sugar, cinnamon and nuts. This blackberry coffee cake recipe is light, fluffy, filled with a blackberry puree, and topped with a sweet brown sugar topping! This Blackberry Swirl Coffee Cake Recipe is a simple yet elegant addition to any breakfast, brunch, or afternoon coffee break!