Cinnamon Sugar Zucchini Coffee Cake – TartAmour

Ingredients

• 2 cups all-purpose flour
• 1 ½ cups granulated sugar
• ½ cup unsalted butter, softened
• 2 large eggs
• 1 teaspoon vanilla extract
• ½ cup sour cream
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• 1 teaspoon ground cinnamon
• ¼ teaspoon salt
• 1 cup grated zucchini
• ¼ cup milk
• For the Cinnamon Sugar Topping:
• ⅓ cup granulated sugar
• 1 tablespoon ground cinnamon
• ¼ cup chopped walnuts or pecans (optional)