Zucchini Casserole A La Marinara - cooking recipe

Ingredients

2 lbs. zucchini (fresh green beans or 2 pkg. frozen green beans may be substituted for zucchini)
3 Tbsp. chopped onion
3 Tbsp. oil
1/2 tsp. salt
1/8 tsp. pepper
1/4 lb. slice mozzarella cheese
One 15 oz. can marinara sauce
1/2 c. gratd parmesan cheese

Preparation

Wash and cut zucchini into 1/4 inch slices.
Cook onion in oil, then add the zucchini.
Cook slowly for 5 minutes.
Add salt and pepper.