Real Italian Lasagne - cooking recipe

Ingredients

1 1/2 lb. hamburger
1/2 c. chopped onion
1/2 tsp. rosemary
1 tsp. salt
1 Tbsp. oil
1 Tbsp. butter
1 large can tomatoes, chopped
1 can tomato paste
white sauce
lasagne noodles
Mozzarella cheese (approximately 2 pkg.)
Parmesan cheese

Preparation

Brown meat; add next 8 ingredients and simmer about 30 minutes.
Make white sauce (about 3 cups medium consistency). Cook lasagne noodles.
Arrange in 9 x 13-inch pan or baking dish in this order: noodles, white sauce, meat sauce, Parmesan cheese, Mozzarella cheese.
Repeat layers, ending with Mozzarella cheese. Bake 30 minutes at 350\u00b0.