Cucumber Relish
["6 medium size cucumbers, unpeeled", "4 to 6 green peppers (optional)", "4 large onions", "2 Tbsp. salt", "1 Tbsp. mustard seed", "1 Tbsp. celery seed", "1/2 tsp. turmeric", "2 c. vinegar", "3 c. sugar", "2 drops green food coloring"]
["Cook on medium heat until thick."]
["cucumbers", "green peppers", "onions", "salt", "celery", "turmeric", "vinegar", "sugar"]