Southern-Style Pickled Shrimp – In The Curious Kitchen

Ingredients

• 1 sweet onion
• 1 lemon, sliced thin
• 3/4 cup cider vinegar
• 1/2 cup canola oil or other neutral tasting oil
• Small jar capers, 3.5 ounces
• 1/2 teaspoon celery seed
• 1/2 teaspoon sugar
• 1/2 teaspoon Kosher salt
• 1 1/2 pounds (41/50) peeled and cooked shrimp
• 1/2 teaspoon Red Pepper flakes