Coffee Cake Recipe | Say Mmm

Ingredients

• 1 1/2 sticks unsalted butter, softened
• 3 eggs
• 1 1/2 cups sour cream
• 1 tablespoon vanilla
• 2 1/4 cups flour
• 1 1/4 cups sugar
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1/3 cup brown sugar, packed
• 1/3 cup sugar
• 2 tablespoons flour
• 1 teaspoon cinnamon
• 2/3 cups walnuts, chopped (I didn't have any on hand, so I omitted these)