Easy Cheesy Zucchini Casserole (Bev Lang)

Ingredients

1 cup mayonnaise

1 onion, minced

1 egg, slightly beaten

Dash salt and pepper

1 cup shredded sharp cheddar cheese

1/4 cup parmesan cheese

3 medium zucchini; diced with the peel on

Directions

Mix all ingredients in a bowl. Place in a greased casserole dish. Sprinkle with dry bread crumbs. Bake, covered, for 30 minutes at 350 degrees . Uncover and bake for 30 minutes longer. Serve hot.