Green Tomato Relish (Mary)

2 quarts green tomatoes chunked
2 cups cut up onions
¼ cup hot peppers
2 cups sugar
2 Tbs. salt
2 cups white vinegar
1 tsp. celery seed
Put tomatoes, onions, peppers in a large pan. Then mix remaining ingredients and bring to a boil. Pour over tomatoes and bring back to boil and bottle. Place in hot bath for 15 minutes.