Garden Vegetable Crustless Quiche

INGREDIENTS

• 1 1/2 cups egg substitute
• 3 large eggs
• 1 1/2 cups (6 ounces) shredded reduced-fat extrasharp cheddar cheese, divided
• 1 1/2 cups (6 ounces) shredded reduced-fat Monterey Jack cheese, divided
• 1/2 cup 1% low-fat milk
• 1/2 cup all-purpose flour (about 2 1/4 ounces)
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1 (16-ounce) carton fat-free cottage cheese
• Cooking spray
• 4 cups sliced zucchini (about 4)
• 2 cups diced potato with onion (such as Simply Potatoes)
• 1 cup finely chopped green bell pepper (about 1)
• 1 (8-ounce) package presliced mushrooms
• 1/2 cup chopped fresh parsley
• 2 tomatoes, thinly sliced