Green Tomato Relish
["24 green tomatoes (12 to 14 c., crushed)", "6 large onions", "4 red peppers", "4 green peppers", "4 Tbsp. mustard seed", "2 Tbsp. celery seed", "3 Tbsp. salt", "5 c. vinegar", "4 c. sugar (white)"]
["Chop green tomatoes; place in drainer.", "Pour boiling water over tomatoes and let stand; drain.", "Chop onions and peppers. Combine tomatoes, onions and peppers in a large canner.", "Add all other ingredients.", "Bring to a boil.", "Turn down to a simmer and cook for about 1 hour.", "Pack in cleaned jars; seal with canning lid and process for 15 minutes.", "Makes about 7 to 9 pints."]
["green tomatoes", "onions", "red peppers", "green peppers", "celery", "salt", "vinegar", "sugar"]