2 (10 oz.) pkg. frozen broccoli
2 c. cooked chicken
6 tbsp. butter
6 tbsp. flour
3 c. chicken stock
1/2 c. milk
1/2 tsp. Worcestershire sauce
1 c. Velveeta Cheese, cubed
4 tsp. mustard
2 tbsp. minced onion
2 tbsp. dry sherry or wine
Salt and pepper to taste

Layer broccoli and chicken in bottom of 3-quart casserole dish. In large pan, melt butter and slowly blend in flour. Add the remaining ingredients to the butter/flour mixture. Stir sauce over low heat until cheese is melted. Pour sauce over broccoli and chicken.

Bake at 400°F for 25 to 30 minutes.