Flip Flop Bean Salad
["1 medium onion, diced", "1 (15 oz.) can green peas, drained (discard liquid)", "1 (15 oz.) can French-cut green beans, drained (discard liquid)", "1 pkg. (approximately 1/2 c.) sliced almonds", "1 c. chopped green celery", "2/3 c. sugar", "1/2 c. salad oil", "1/4 c. vinegar", "1 tsp. salt"]
["The title of this concoction identifies the process necessary to produce the flavor of this combination. Need 2-quart storage container with a lid that will seal without a leakage when container is inverted; i.e., turned over, upside down, at least four times in twenty-four hours before serving."]
["onion", "green peas", "green beans", "almonds", "green celery", "sugar", "salad oil", "vinegar", "salt"]