A recipe for New York crumb cake on MarthaStewart.com utilizes basic techniques and features a simple batter with a cinnamon-flavored crumb topping. BettyCrocker.com has a recipe for mini crumb cakes.
Follow the New York crumb cake recipe on MarthaStewart.com by combining 1 1/2 cups of all-purpose flour, 1/2 cup of granulated sugar, 2 1/2 teaspoons of baking powder and 1/2 teaspoon of salt in a bowl. Lightly beat 1 egg with 1/2 cup of milk, 2 tablespoons of oil and 2 teaspoons of vanilla extract in another bowl. Gently incorporate the flour mixture into the egg mixture. Transfer the batter into a greased and floured 9-by-12.5-inch baking pan.
To make the crumb topping, mix 2 1/2 cups of all-purpose flour with 1 cup of light brown sugar and 1 1/2 teaspoons of ground cinnamon. Toss through 1 cup of melted butter to create a crumbly mixture. Scatter the crumbs on top of the batter and bake the cake in the oven at 325 F for approximately 20 minutes or until thoroughly cooked. Allow the cake to cool before decorating it with confectioners' sugar.
The mini crumb cake recipe on BettyCrocker.com involves baking the cakes in muffin cups. This recipe yields six mini cakes.