3 oz. uncooked sm. shell macaroni
2 tbsp. plus 2 tsp. butter
1/2 c. chopped onion
1/2 c. chopped green pepper
1 1/2 tbsp. flour
1/2 tsp. salt
1/2 tsp. dry mustard
1/4 tsp. pepper
2 c. milk
8 oz. cooked crabmeat
1/2 c. sliced mushrooms
1/2 tsp. Worcestershire sauce
1/8 tsp. hot sauce
3 oz. grated Cheddar cheese

Cook macaroni in boiling water. Drain and set aside. Preheat oven to 350 degrees. Melt butter in 2 quart saucepan. Saute green pepper and onion until tender. Remove from heat. Stir in flour, salt, mustard, and pepper until well blended. Gradually stir in milk. Bring to a boil, stirring constantly. Reduce heat and simmer 3 minutes. Remove from heat. Add macaroni, crabmeat, mushrooms, Worcestershire sauce, hot sauce, and 2 ounces of cheese. Mix until well blended. Turn into a 2 quart casserole dish. Sprinkle top with remaining 1 ounce of the cheese. Bake, uncovered, for 30 minutes or until bubbling hot and cheese is melted.