Skillet Lasagna

ingredients: 1 lb ground beef 2 1/2 C penne or rotini pasta 1 (24 oz) jar pasta sauce 1 C ricotta cheese 1 1/2 C mozzarella shredded cheese Cook ground beef on medium high in large skillet, stirring frequently, until no longer pink, drain. Add pasta, sauce, and fill jar with water and add to skillet. Bring to a boil. Reduce heat and simmer, covered, 15 minutes, stirring halfway through. Add ricotta in 6 dollops to top. Sprinkle with cheese. Cover and simmer 5 more minutes until cheese is melted.