1/2 green bell pepper, chopped
1 onion, chopped
2 tablespoons butter
3 cans cream of mushroom soup, undiluted
5 tablespoons light cream
1 cup shredded sharp cheese, divided
1 (5 ounce) can mushroom pieces
2 cups or more chicken, cooked and chopped
4 tablespoons sherry
1 teaspoon salt
1 tablespoon Worcestershire sauce
Black pepper, to taste
Red pepper, to taste
Tabasco