Brown meat, add onion, garlic,tomato paste (diluted with water), parsley, salt, pepper, and bay leaves. Simmer for 30 minutes. Arrange lasagna in baking dish in layers alternating with layers of sauce, mozzarella cheese and cottage cheese. Sprinkle top with Grated Cheese. Bake @ 375 degrees for 20 minutes. If refrigerated bake @ 350 degrees for 1 hour.