Whole-Wheat Dark Chocolate Zucchini Brownies - Snowy the Mouse

Ingredients

• 1 cup white whole-wheat flour
• 1/3 cup NESTLE TOLL HOUSE Baking Cocoa
• 1 1/4 teaspoons baking soda
• 1/2 teaspoon coarse salt
• 1 cup NESTLE TOLL HOUSE Dark Chocolate Morsels, divided
• 1/4 cup vegetable oil
• 1/2 cup packed light brown sugar
• 1/2 cup granulated sugar
• 2 large egg whites
• 1 teaspoon vanilla extract
• 1 1/2 cups grated zucchini (about 3 medium)