1 1/2 lb. hamburger
3 c. Italian spaghetti sauce
2 1/2 oz. mushroom pieces
1 loaf French bread
6 oz. Mozzarella cheese

Cut lengthwise slice off top of bread. Scoop out center to form a shell. Place half the cheese on bottom of shell.

Fill with meat and spaghetti sauce mixture. Cover with remaining cheese, then replace top slice of bread.

Wrap securely in aluminum foil.

Bake at 375°F for 10 minutes. Cut crossways into sandwiches.