coffee cake recipe

**Ingredients:** **For the Cake:** - 1/2 cup unsalted butter, softened - 1 cup granulated sugar - 2 large eggs - 1 teaspoon vanilla extract - 2 cups all-purpose flour - 1 teaspoon baking powder - 1/2 teaspoon baking soda - 1/2 teaspoon salt - 1 cup sour cream