Simple Slow-Cooked Lasagna

Instructions

Step 1
Lightly spray inside of slow cooker with cooking spray.

Step 2
In a large nonstick skillet, brown beef breaking up with spoon. Scrape out beef into a colander and let drain. Wipe out skillet and return to medium heat; cook beef, onion, garlic, oregano and hot pepper flakes for 5 minutes or until softened. Add passata and water and remove from heat.

Step 3
In a bowl, stir together ricotta cheese, spinach, basil and Parmesan cheese.

Step 4
Spread some of the meat sauce over bottom of slow cooker. Lay lasagna noodles in a single layer, breaking as necessary to fit. Top with one quarter of the sauce and one third of the cheese mixture. Repeat layers twice ending with meat sauce on top. Cover and cook on Low for 6 to 8 hours or on High for 3 to 4 hours. About 15 minutes before serving lasagna, sprinkle mozzarella over top, cover and let cook on Low until melted.