Easy Microwave "Cheater" Lasagne
["1 pkg. lasagne noodles", "1 lb. ground beef", "1 (32 oz.) jar spaghetti sauce", "1/2 c. water", "1 tsp. salt", "1 egg", "2 c. Ricotta cheese", "3 c. Mozzarella cheese", "1/2 c. grated Parmesan cheese"]
["In a 2-quart pot, brown ground beef, separating meat with a fork as it cooks.", "Add spaghetti sauce, water and salt.", "Heat through.", "Mix the egg in with the Ricotta cheese."]
["lasagne noodles", "ground beef", "spaghetti sauce", "water", "salt", "egg", "Ricotta cheese", "Mozzarella cheese", "Parmesan cheese"]