Pepper Relish
["12 hot peppers", "7 onions", "2 Tbsp. mustard seed", "3 c. sugar", "12 sweet peppers", "2 Tbsp. salt", "3 c. vinegar"]
["Grind peppers and onions.", "Cover with boiling water.", "Let stand 10 minutes; drain.", "Then heat liquid to a good, hard boil. Boil for 5 minutes.", "Pack in sterile jars."]
["hot peppers", "onions", "sugar", "sweet peppers", "salt", "vinegar"]