French Onion Soup by Microwave

Combine butter and onions in 3-quart casserole microwave dish. Cook at High setting for 10 minutes.

Stir in broth, Worcestershire sauce and pepper, then cover and cook at High setting for 10 minutes.

Stir and cook at High setting for 10 minutes more, then at medium setting for another 10 minutes.

Let stand, covered, for 3 minutes, before serving.

Garnish with croutons and cheese.