2 tablespoons butter
Melt butter; stir in flour. Add 1/2 cup milk gradually, stirring. Add salt, mustard, vinegar and Worcestershire sauce; cook until thickened. Cool. Add mayonnaise to sauce. Moisten crumbs with remaining milk; add to crab. Mix crab mixture with sauce mixture. Spoon into 8 ramekins. Bake at 350° for 15 minutes.