Aunt Anne's Coffee Cake
Ingredients Streusel Topping: ⅔ cup white sugar ¼ cup all-purpose flour 1 teaspoon ground cinnamon ¼ cup cold butter Cake: 2 cups all-purpose flour ¾ cup white sugar 2 teaspoons baking powder ½ teaspoon salt ½ cup cold butter 1 egg ¾ cup milk, or as needed 1 ½ teaspoons vanilla extract Directions Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 9x13-inch pan.