Giardiniera

Bahan-bahan (12 porsi)

• 3 cups water
• 3 tablespoons kosher salt
• 1 ½ cups cauliflower florets (broken into small pieces)
• 1 rib celery (sliced)
• 1 carrot (sliced)
• 2 serrano peppers (or to taste, thinly sliced)
• 1 red bell pepper (sliced)
• ½ onion (sliced)
• 2 cloves garlic (minced)
• ½ cup green olives (with pimentos, sliced)
• ½ cup white wine vinegar (or white vinegar)
• ½ cup light olive oil (or vegetable oil)
• ½ teaspoon dried oregano
• ¼ teaspoon red pepper flakes