Zucchini Banana Cake with Maple Frosting

Ingredients (21)

• 3 cups all-purpose flour
• 1 1/2 tsp baking powder
• 1 1/2 tsp baking soda
• 1 tsp salt
• 1 Tbsp ground cinnamon
• 1 tsp cardamom
• 3 large ripe bananas mashed
• 1/2 cup granulated sugar
• 1/2 cup packed light brown sugar
• 2 large eggs
• 1/4 cup sour cream
• 2/3 cup vegetable oil
• 1 1/2 tsp vanilla extract
• 2 cup shredded zucchini
• 3 Tbsp turbinado sugar
• Maple Frosting:
• 1 cup packed brown sugar
• 1/2 cup butter
• 1/4 cup 2% milk
• 1 tsp maple extract
• 2 cups confectioners’ sugar