Over The Top Crumb Cake Recipes

Steps:

• Preheat oven to 350 degrees. Sift together flour, baking soda, baking powder, and salt into a bowl; set aside. Butter a 9-inch square baking pan; set aside.
• In the bowl of an electric mixer fitted with the paddle attachment, cream butter and granulated sugar until light and fluffy, about 4 minutes. Add eggs, one at a time, until well combined. Add vanilla, and stir until combined. Add reserved flour mixture and the sour cream, and stir just until well combined. Fold in 2 cups blueberries, if using. Spoon batter into prepared pan. Toss remaining cup blueberries, if using, with the crumb topping. Sprinkle the crumb topping over cake. Bake until golden brown and cake tester comes out clean, 50 to 60 minutes. Dust with confectioners' sugar before serving, if desired.

Steps:

• Place rack in center of oven, and heat oven to 325 degrees. Lightly brush a 9-by-12 1/2-inch baking pan with canola oil, dust with flour, and tap to remove excess. Set aside. In a medium bowl, sift together 1 1/2 cups flour, granulated sugar, baking powder, and salt; set aside. In a second bowl, whisk together egg, milk, canola oil, and vanilla. Using a rubber spatula, fold dry ingredients into egg mixture.
• Spread batter evenly into prepared pan, and set aside. In a medium bowl, combine remaining 2 1/2 cups flour, brown sugar, and cinnamon. Pour melted butter over flour mixture, and toss with a rubber spatula until large crumbs form. Sprinkle crumbs over batter.
• Transfer pan to oven, and bake, rotating pan after 10 minutes. Continue baking until a cake tester comes out clean, about 10 minutes more.
• Transfer baking pan to a wire rack to cool. Dust with confectioners' sugar. Using a serrated knife or bench scraper, cut into 3-inch squares. Store in an airtight container for up to 3 days.