How to Make It
Preheat oven to 350°F. Grease a 9x13 inch-baking dish with nonstick spray.
Heat oil in a large nonstick skillet over medium heat. Add peppers and onion; cook 3-4 minutes, until tender. Add spinach; cook until wilted; 1-2 minutes.
Arrange shredded sweet potatoes in prepared baking dish. Top evenly with pepper and spinach mixture.
In a large bowl, combine eggs, milk, cottage cheese, cayenne pepper, salt, and black pepper. Stir with a whisk. Pour into baking dish. Top with mozzarella cheese. Bake at 350°F for 35 minutes, or until golden around the edges. Slice into 6 pieces.