2 tbsp. flour
1 c. milk
1 tsp. salt
1/4 tsp. pepper
2 tbsp. lemon juice
1 tbsp. (rounded) mayonnaise
1 tsp. (piled up) mustard
1/8 tsp. red pepper

Mix the above together in a double boiler until smooth.

1 stick butter
1 onion finely chopped

Saute onion in butter until soft; add 1 pound crab. Beat egg in bowl, add egg to all the above ingredients. Place in a casserole dish. Sprinkle crushed crackers on top.