Pickled Deviled Eggs Recipe

Ingredients

• 12 large eggs
• 1 1/2 cups rice vinegar
• 6 garlic cloves, smashed and peeled
• 2 1/2 tablespoons packed light brown sugar
• 1 1/2 tablespoons kosher salt, more as needed
• 1 teaspoon black peppercorns
• 1 large red onion, halved and very thinly sliced
• 1 cup mayonnaise
• 2 teaspoons Dijon mustard
• 1/2 teaspoon ground black pepper
• Flaky sea salt, for serving