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Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 9×13-inch pan.

Make streusel topping: Combine sugar, flour, and cinnamon in a medium bowl. Cut in butter until mixture resembles coarse crumbs. Set aside.

Make cake: Combine flour, sugar, baking powder, and salt in a large bowl. Cut in butter until mixture resembles coarse crumbs. Whisk together egg and milk in a separate bowl, stir in vanilla.

Pour egg mixture into crumb mixture; mix just until moistened. Spread into the prepared pan and sprinkle with streusel topping.

Bake in the preheated oven until a toothpick inserted into the center of the cake comes out clean, 25 to 30 minutes. Allow to cool before slicing

Read more in the next page

Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 9×13-inch pan.

Make streusel topping: Combine sugar, flour, and cinnamon in a medium bowl. Cut in butter until mixture resembles coarse crumbs. Set aside.

Make cake: Combine flour, sugar, baking powder, and salt in a large bowl. Cut in butter until mixture resembles coarse crumbs. Whisk together egg and milk in a separate bowl, stir in vanilla.

Pour egg mixture into crumb mixture; mix just until moistened. Spread into the prepared pan and sprinkle with streusel topping.

Bake in the preheated oven until a toothpick inserted into the center of the cake comes out clean, 25 to 30 minutes. Allow to cool before slicing