Red Pepper Relish

24 sweet red bell peppers, ground (reserve juice)
7 medium onions, chopped fine (reserve juice)
3 cups white vinegar
3 cups granulated sugar
2 tablespoons salt
2 tablespoons mustard seed

Drain some, but not all, of juice from peppers. Combine peppers, onions with juice and all other ingredients in a pot. Bring to boil and simmer 30 minutes, stirring occasionally. Seal at once in jars. Process in boiling water bath for 20 minutes.

Yields 2 quarts.