Easy Lasagne - cooking recipe

Ingredients

1/2 lb. lean ground beef
1 (30 oz.) jar prepared spaghetti sauce
2 c. sliced mushrooms (optional)
1 c. water
1 (15 oz.) container Ricotta cheese
1 egg
1/2 tsp. salt
1/4 tsp. pepper
8 oz. lasagne noodles, uncooked
2 c. shredded Mozzarella cheese, divided
1 c. grated Parmesan cheese, divided

Preparation

Brown meat and drain fat.
Add prepared spaghetti sauce, mushrooms and water.
Bring to a boil.
Reduce heat and simmer 5 minutes.