Lula Campbell'S Ham Sauce
["1/2 c. sugar", "1 Tbsp. flour", "2 eggs", "1/3 c. vinegar plus water to make 1/2 c. liquid", "1/2 Tbsp. prepared mustard", "1/2 jar currant jelly"]
["Mix all ingredients well.", "Cook in top of double boiler until thickened.", "Serve warm."]
["sugar", "flour", "eggs", "vinegar", "mustard", "currant jelly"]