Icebox Pickles
["8 to 12 cucumbers, sliced thin", "4 c. sugar", "4 c. vinegar", "1/2 c. salt", "1 1/2 Tbsp. celery seed", "1 1/2 Tbsp. mustard seed", "1 medium onion (to each jar), sliced"]
["Pack jars with cucumbers.", "Mix all other ingredients and heat until sugar is melted.", "Pour over cucumbers and store in jars in refrigerator."]
["cucumbers", "sugar", "vinegar", "salt", "celery", "onion"]