Cook and stir ground beef and onion until beef is ... ingredients. Fill uncooked manicotti shells, packing meat mixture in ... 10 minutes before serving.
Saute chopped onions in butter ... heat; then add beef. Set aside. Parboil 12 manicotti shells according to package directions. ... and filling is hot.
Can buy spaghetti sauce including ... large skillet saute beef, mushrooms, fennel seed, green ... spaghetti sauce. Fill manicotti and place in dish. Spoon ... oven for 5 minutes.