3/4 lb. shrimp
1/4 c. flour
1/4 tsp. dry mustard
1 c. grated cheese
3 tbsp. butter
1/2 tsp. salt
Dash pepper
1 1/2 c. milk
Med. onion, chopped

Cook onion in butter until tender. Blend flour and seasoning. Add milk gradually and cook until thick stirring constantly. Add cheese, heat until melted. Add cooked shrimp. Top with Ritz crackers. Bake at 350 degrees until hot (about 10-15 minutes).