Longstreth'S Lasagna - cooking recipe

Ingredients

1 (8 oz.) pkg. lasagna
1 (30 oz.) jar spaghetti sauce
1 lb. hamburger meat
1 medium to large onion
salt to taste
pepper
8 oz. Ricotta cheese
grated Parmesan cheese
8 oz. grated American cheese

Preparation

Preheat oven to 375\u00b0.
Add lasagna to 4 quarts of boiling water, a few sheets at a time.
Cook approximately 8 to 10 minutes.
Drain water.
Rinse and drain.
Add margarine to prevent sticking together; set aside.