pickled shrimp

Ingredients

• - 5 pounds shrimp shelled ( i use either frozen jumbo shrimp with tails on and thaw just for time) or can cook your own and shelled keep tails on.
• - 1 (4 ounce) jar of capers drained
• - 1 large red bell pepper sliced in strips
• - 2 teaspoons celery seeds
• - 3 lemons sliced in thin rounds
• - 1 or 2 (6 ounce) envelopes italian dressing mix...i use zesty and depending on your taste you can use less than 2 envelopes
• - 1/2 cup vegetable oil
• - 1/2 cup cider vinegar
• - 1 tablespoon horseradish
• - 2 medium size white onions