Sweet Pepper Relish - cooking recipe

Ingredients

1 doz. green peppers
1 doz. red bell peppers
7 medium onions
3 c. vinegar
3 1/2 c. sugar
2 Tbsp. salt
1 Tbsp. celery salt
2 Tbsp. mustard seed

Preparation

Grind peppers and
onions.
Mix
with other ingredients and cook (uncovered) for 30 minutes on medium heat.
Pour into hot jars and seal.