Pickled asparagus - Mayo Clinic

Ingredients

• 1 pound fresh asparagus, trimmed (about 3 cups)
• 1/4 cup pearl onions
• 1/4 cup white wine vinegar
• 1/4 cup cider vinegar
• 1 sprig fresh dill (or 2 teaspoons dried)
• 1 cup water
• 2 whole cloves
• 3 cloves garlic, whole
• 8 whole black peppercorns
• 1/4 teaspoon red pepper flakes
• 6 whole coriander seeds