Sweet Coffee cake
2 1/4 cups all-purpose flour 1 1/2 cups white sugar 1 1/2 teaspoons baking powder 3/4 teaspoon baking soda 1/2 cup butter, room temperature 1 cup buttermilk 2 eggs 1/2 teaspoon vanilla extract Ready In 50 m Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9x13-inch baking dish. Combine flour, sugar, baking powder, and baking soda in a large bowl. Cut butter into flour mixture until mixture resembles coarse crumbs. Reserve about 1 cup butter crumbs. Stir buttermilk, eggs, and vanilla extract into remaining crumbs until batter is just combined; pour batter into prepared baking dish. Sprinkle reserved butter crumbs over batter. Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 35 minutes.