Cinnamon Zucchini Coffee Cake – TartAmour

Ingredients

• 2 cups all-purpose flour
• 1 1/2 cups granulated sugar
• 1/2 cup packed brown sugar
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 2 teaspoons ground cinnamon
• 1/2 teaspoon ground nutmeg
• 3 eggs, at room temperature
• 1 cup vegetable oil
• 2 teaspoons vanilla extract
• 2 cups shredded zucchini (about 1 medium zucchini)
• 1 cup chopped walnuts or pecans (optional)
• 1/2 cup sour cream
• For the streusel topping:
• - 1/2 cup all-purpose flour
• - 1/4 cup packed brown sugar
• - 1 teaspoon ground cinnamon
• - 1/4 cup cold unsalted butter, cubed