Classic Lasagna - cooking recipe

Ingredients

1 1/2 lb. ground beef
2 Tbsp. oil
1 can tomatoes
1 (8 oz.) can tomato paste
2 c. water
1 Tbsp. chopped parsley
2 tsp. salt
1 tsp. sugar
1/2 tsp. pepper
1/2 tsp. oregano
1/2 pkg. Mueller's lasagna
8 oz. Mozzarella cheese
1 jar mushrooms
1 lb. Ricotta cheese

Preparation

Brown beef in oil.
Add ingredients.
Simmer, uncovered, 30 minutes.
Meanwhile, cook lasagna.
In baking dish, spread 1 cup sauce, then alternate layers of lasagna, sauce, Ricotta and Mozzarella cheese ending with sauce.
Bake at 350\u00b0 for 40 to 50 minutes.