Zucchini Casserole - cooking recipe

Ingredients

1 medium zucchini
1 lb. can tomatoes, drained or 4 fresh tomatoes
1 can mushroom soup
1/4 c. butter
1 medium onion
1/2 c. shredded Mozzarella cheese

Preparation

Butter baking dish.
Slice zucchini into 1/2-inch slices. Parboil until it changes color; let cool slightly.
Blend together soup and melted butter.
Layer zucchini, tomatoes (sliced), thinly sliced onions, sauce and half of the cheese; repeat.
Bake at 350\u00b0 for 1/2 hour.