01 -
In a skillet set over medium heat, cook ground beef until evenly browned, breaking apart with a spoon as it cooks. Drain excess fat thoroughly.
02 -
Return the drained beef to skillet. Stir in pasta sauce, garlic powder, onion powder, salt, and black pepper. Mix until well combined and heated through.
03 -
Spread a thin layer of the meat sauce mixture on the bottom of the crockpot. Arrange half of the frozen cheese ravioli over the sauce. Top with half of the remaining meat sauce, then sprinkle with half the shredded mozzarella, cheddar, and all the Parmesan cheese. Repeat with remaining ravioli, sauce, and shredded cheeses.
04 -
Cover and cook on low heat for 4–6 hours or on high heat for 2–3 hours, until ravioli is tender and heated through, and cheese is melted.
05 -
Allow lasagna to rest for 10 minutes before slicing. Serve hot, garnished with extra Parmesan if desired.