Sauté beef, onion and garlic in 10-inch skillet. Add prima salsa and water. Simmer 5 minutes. Press spinach very dry. Combine with cottage cheese, Parmesan, egg, 1/2 of the salt and pepper; set aside. Cook macaroni according to package directions in a 2-quart greased baking dish. Layer half each remaining macaroni, cheese and meat sauce in layers. Bake at 375° for 45 minutes. Let stand 10 minutes before serving.