1/2 c. dark brown sugar
1 1/2 tsp. dry mustard
1 tbsp. flour
2 tbsp. vinegar
2 tbsp. lemon juice
1/3 c. raisins

Combine brown sugar, dry mustard and flour in a heavy bottomed pan. Stir in vinegar, lemon juice and 1 1/2 cups water. Place over medium heat and bring to a boil, stirring constantly. Lower heat and add raisins. Cook and stir until sauce is thick. Serve on ham or tongue.