Vanilla Buttermilk Crumb Cake

Ingredients

• 3 1/2 cups cake flour, divided
• 1 cup sugar, divided
• 1/2 cup firmly packed dark brown sugar
• 1 teaspoon ground cinnamon
• 1/2 cup butter, melted and cooled
• 1/2 cup butter, softened
• 1 large egg
• 2 teaspoons vanilla extract
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup buttermilk
• Powdered sugar

Preparation

1. 1. Preheat oven to 325°. Stir together 2 cups flour, 1/2 cup sugar, brown sugar, cinnamon, and melted butter in a bowl. Set aside.
2. 2. Beat softened butter and remaining 1/2 cup sugar at medium speed with an electric mixer until fluffy. Add egg and vanilla, beating until blended.
3. 3. Combine baking soda, salt, and remaining 1 1/2 cups flour; add to butter mixture alternately with buttermilk, beginning and ending with flour mixture. Beat at low speed until blended after each addition.
4. 4. Spoon batter into a greased and floured 8-inch square cake pan, and sprinkle with reserved topping mixture.
5. 5. Bake 30 to 35 minutes or until a wooden pick inserted in the center comes out clean. Cool; dust with powdered sugar, and cut into squares.