Zucchini Custard

4 tablespoons butter, melted
2 pounds zucchini, cut into small pieces
1/2 cup onion, diced
3 eggs
1/2 cup of cream
2 tablespoons fine dry bread crumbs
1 teaspoon salt
1/4 teaspoon pepper
1/4 teaspoon of garlic powder
1/4 cup grated Cheddar Cheese

Melt butter in large skillet. Add onions and zucchini and cook until tender. Remove zucchini from heat and let cool. Combine eggs and cream, bread crumbs, salt and pepper, and garlic powder. Mix egg mixture with zucchini. Pour into a greased casserole dish. Sprinkle the top with cheese. Bake in a preheated 350 degree oven for about 30 minutes.