Chocolate Zucchini Cake

Ingredients

• Cake:
• cooking spray
• 1 tbsp all-purpose flour
• 3/4 cup sugar
• 1/2 cup packed brown sugar
• 1/2 cup block-style fat-free cream cheese, softened
• 1/3 cup vegetable oil
• 2 large eggs
• 2 large egg whites
• 1 tsp vanilla extract
• 2 1/2 cups all-purpose flour
• 1/2 cup unsweetened cocoa
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 1/2 tsp ground cinnamon
• 3/4 cup fat-free buttermilk
• 2 cups shredded zucchini
• 2/3 cup semisweet chocolate chips
• 1/4 cup chopped walnuts
• Glaze:
• 3/4 cup powdered sugar
• 3 tbsp unsweetened cocoa
• 8 tsp fat-free milk
• 2 tbsp semisweet chocolate chips
• 1 tsp instant coffee granules
• 1/2 tsp vanilla extract