BLUEBERRY SOUR CREAM CAKE RECIPES

Steps:

• Preheat the oven to 400 degrees F (200 degrees C). Spray 16 muffin cups with cooking spray or line cups with paper liners.
• Combine 1/2 cup flour, 1/4 cup brown sugar, 1/2 teaspoon cinnamon, and 1/4 teaspoon salt in a small bowl. Cut butter into the flour mixture until it is crumbly. Set crumb topping aside.
• Whisk 2 cups flour, baking powder, 1 teaspoon cinnamon, and 1/4 teaspoon salt together in a large bowl, making a well in the center. Whisk eggs, granulated sugar, and 1/2 cup brown sugar together in a separate bowl. Stir in sour cream, vegetable oil, and vanilla extract until well combined. Pour into the well in the flour mixture and stir until batter is just combined without overmixing. Toss blueberries with 1 tablespoon flour in a small bowl and gently fold into the batter.
• Spoon batter into the prepared muffin cups, filling each 3/4 full. Top each muffin with about 1 tablespoon of crumb mixture.
• Bake in the preheated oven until tops spring back when lightly pressed and muffins are lightly browned, 18 to 22 minutes. A toothpick inserted into the center of the muffins should come out clean. Cool in the tins for 10 minutes. Transfer to a wire rack to cool completely.

Steps:

• Dissolve cocoa in boiling water; cool. In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add eggs, 1 at a time, beating well after each addition. Beat in vanilla. Combine the flour, baking soda, baking powder and salt; gradually add to creamed mixture alternately with sour cream, beating well after each addition. Add cocoa mixture and mix well. , Pour into 3 greased and floured 9-in. round baking pans. Bake at 350° until a toothpick inserted in the center comes out clean, 30-35 minutes. Cool for 10 minutes before removing from pans to wire racks to cool completely. , In a microwave, melt chocolate chips and butter; stir until smooth. Cool for 5 minutes. Transfer to a large bowl. Beat in sour cream and vanilla. Add confectioners' sugar; beat until light and fluffy. Spread between layers and over top and sides of cake. If desired, decorate with sprinkles. Store in the refrigerator.