Spinach Lasagne
["6 uncooked lasagne noodles", "1 lb. ground beef", "1 large onion, chopped", "1 jar spaghetti sauce", "1 can (8 oz.) mushrooms (undrained)", "2 c. Ricotta cheese", "1 pkg. (10 oz.) frozen chopped spinach, thawed and well drained", "1/4 c. grated Parmesan cheese", "1 tsp. salt", "1/4 tsp. pepper", "2 garlic cloves, crushed", "4 oz. Mozzarella cheese slices"]
["Cook noodles as directed on package; drain.", "Cook beef and onion until well done; drain.", "Stir in spaghetti sauce and mushrooms; heat to boil.", "Reduce heat to simmer.", "Mix remaining ingredients except Mozzarella slices.", "Pour small amount of sauce on bottom of 13 x 9 x 2-inch baking dish.", "Place 3 lasagne noodles on top of sauce.", "Spread cheese mixture on lasagne.", "Top with a layer of Mozzarella cheese.", "Repeat this step with remaining ingredients.", "Bake at 350\u00b0 uncovered for 30 minutes or until bubbly."]
["noodles", "ground beef", "onion", "spaghetti sauce", "mushrooms", "Ricotta cheese", "spinach", "Parmesan cheese", "salt", "pepper", "garlic", "Mozzarella cheese"]