Supper Casserole Recipe with Ground Chuck, Vegetables, and Creamy Mushroom Sauce

Ingredients

• 1 lb (454 g) ground chuck (or ground beef )
• 1 lb (454 g) onion , finely chopped
• 1 lb (454 g) fresh carrots , peeled and sliced
• 1 lb (454 g) green beans (fresh or frozen)
• 2 cans of Campbell's cream of mushroom soup
• 1 (1 lb (454 g)) package of medium egg noodles
• italian bread crumbs
• 0.25 cup melted margarine