Pepper Relish
["24 green bell peppers", "24 red bell peppers", "12 medium onions", "2 Tbsp. mustard seed", "1 qt. vinegar", "3 Tbsp. salt", "4 c. sugar"]
["Mince or chop peppers and onions.", "Cover with boiling water and let stand for 15 or 20 minutes; drain.", "Add the seed, vinegar, salt and sugar.", "Boil 20 or 25 minutes.", "Pack in jars."]
["green bell peppers", "red bell peppers", "onions", "vinegar", "salt", "sugar"]