1/4 c. butter
1/2 c. celery, chopped
1/2 c. onion, chopped
3 tbsp. all-purpose flour
1 tbsp. dry mustard
3 c. milk
1/4 tsp. pepper & 1/2 tsp. salt
2 tsp. lemon juice
2 pkgs. (10 oz.) each cut broccoli in cheese sauce

In a large saucepan, melt butter over medium heat, saute celery and onion until tender-crisp. Stir in flour, salt, pepper and mustard. Cook until mixture is smooth, gradually add milk, cook and stir until mixture boils and thickens. Stir in lemon juice, chicken and broccoli. Simmer, stirring occasionally until heated through. 6 to 8 servings.