"Hearty" Lasagna
["1 1/2 lb. ground beef", "1 medium onion, chopped", "1 garlic clove, minced", "3 Tbsp. olive oil", "1 (28 oz.) can Italian tomatoes with liquid, cut up", "1 (8 oz.) can tomato sauce", "1 (6 oz.) can tomato paste", "1 tsp. dried oregano", "1 tsp. sugar", "1 tsp. salt", "1/4 tsp. pepper", "2 carrots, halved", "2 celery ribs, halved", "12 oz. lasagna noodles", "1 (15 oz.) carton Ricotta cheese", "2 c. (8 oz.) shredded Mozzarella cheese", "1/2 c. grated Parmesan cheese"]
["In a large skillet, cook beef, onion and garlic in oil until meat is browned and onion is tender; drain.", "Stir in tomatoes, tomato sauce, tomato paste, oregano, sugar, salt and pepper.", "Place carrots and celery in sauce.", "Simmer, uncovered, for 1 1/2 hours, stirring occasionally.", "Meanwhile, cook lasagna noodles according to package directions; drain and rinse in cold water.", "Remove and discard carrots and celery."]
["ground beef", "onion", "garlic", "olive oil", "Italian tomatoes", "tomato sauce", "tomato paste", "oregano", "sugar", "salt", "pepper", "carrots", "celery", "lasagna noodles", "Ricotta cheese", "Mozzarella cheese", "Parmesan cheese"]