Lasagne - cooking recipe

Ingredients

1 1/2 lb. ground beef
1 large jar (30 oz.) Ragu with mushrooms
1 chopped onion
6 lasagne noodles, cooked
1 lb. grated Cheddar cheese
1 lb. grated Mozzarella cheese
1 large can Parmesan cheese

Preparation

Grease 9 x 13-inch pan.
Put in three noodles.
Brown meat. Add onion.
Drain off fat.
Add Ragu to meat and onion.
Cover noodles with 1/2 of sauce, then half of Cheddar cheese, half of Mozzarella cheese and half of Parmesan cheese.
Add 3 noodles, rest of sauce, Cheddar cheese, Mozzarella cheese and Parmesan cheese.
Cook at 350\u00b0 for 1 hour.
Cover 1st half hour.
Uncover last half hour.