Start with meat sauce. Saute onions til translucent. Add meat, brown. Drain. Add garlic, continue to cook for 30 seconds. Add tomato sauce, simmer on low with lid askew for 2 hours.
Meanwhile, mix ricotta, egg, parmesan, and 1/2 cup mozzarella.
In Crock-Pot, add a thin layer of sauce to the bottom. Layer with noodles, ricotta mixture, meat sauce and mozzarella. Add another layer. Finish with noodles, sauce, and mozzarella.
Cook low for 4 hours
Tips: For chunkier sauce, add diced tomatoes last 30 mins of sauce simmering. For creamier cheese layer, add cream cheese to ricotta mixture.
