Squash Pickles
["10 c. thin sliced yellow squash", "2 c. sliced onion rings (2 large)", "2 1/2 c. sugar", "2 tsp. mustard seed", "2 c. vinegar", "2 tsp. celery seed", "1/2 tsp. dry mustard"]
["Put a layer of squash and a layer of onions in a large bowl. Sprinkle each layer with salt.", "Let stand 1 hour.", "Drain off excess liquid.", "Heat other ingredients and pour over vegetables. Bring to a boil.", "Spoon into jars and seal.", "Chill at least 24 hours before serving.", "This makes about 2 quarts of pickles."]
["thin", "onion", "sugar", "vinegar", "celery", "dry mustard"]