Pickled Shrimp
["1 lb. shrimp, peeled and cleaned", "1 medium onion, sliced into rings", "3/4 c. vegetable oil", "3/4 c. white vinegar", "1/4 c. sugar", "1/2 tsp. salt", "1/2 tsp. celery seed", "4 Tbsp. capers with juice"]
["Cook shrimp until pink and tender; drain and cool.", "Make alternate layers of shrimp and onion rings in a container with a lid that seals tightly.", "Mix all remaining ingredients; heat to a quick boil and pour over the shrimp and onions.", "Seal and refrigerate overnight or at least for 6 hours.", "Drain and serve."]
["shrimp", "onion", "vegetable oil", "white vinegar", "sugar", "salt", "celery", "capers"]