Frijoles Con Queso Casserole

• 3 garlic (cloves minced)
• 2 tomatoes (chopped)
• 1 egg substitute
• 1 lots of black pepper
• 1 lots of cayenne pepper
• 1 zucchini in chunks (cut)
• 950 gr pinto beans heated
• 350 ml nonfat yogurt
• 180 gr onion (chopped)
• 120 gr cornmeal (yellow)