Lasagna - cooking recipe

Ingredients

2 cans mushroom gravy
2 lb. hamburger
4 hard-boiled eggs, grated
1 small onion, chopped
lasagna noodles
1 large can ripe olives, chopped
2 cans tomato sauce
1 small can mushrooms
1 lb. Mozzarella cheese, shredded

Preparation

Fry hamburger and onion until brown.
Add all ingredients, except cheese and noodles.
Cook noodles according to directions. Put a layer of meat mixture in baking dish, then shredded cheese, then noodles.
Repeat again, ending with meat mixture, topped with cheese.
Bake 1 hour in a 350\u00b0 oven.