One-Step Lasagne - cooking recipe

Ingredients

1 1/2 c. water
2 (15 1/2 oz.) jars spaghetti sauce
1 (16 oz.) box lasagne noodles
1 (15 oz.) container Ricotta cheese
8 oz. thinly sliced Mozzarella cheese
1/2 c. grated Parmesan cheese

Preparation

Can also add, if desired, 1 small can mushroom pieces, drained.