Red Vinegar Pickles

Ingredients

• 2 1/4 cups water
• 2/3 cup red wine vinegar
• 6 1/8-inch-thick rounds peeled fresh horseradish
• 4 fresh dill sprigs
• 2 tablespoons salt
• 2 teaspoons coriander seeds
• 1 1/2 teaspoons whole black peppercorns
• 1 teaspoon fennel seeds
• 1 teaspoon yellow mustard seeds
• 1/2 teaspoon whole allspice
• 1/2 teaspoon juniper berries
• 1 bay leaf
• 1 serrano chile, halved (with seeds)
• 1 pound pickling cucumbers or Persian cucumbers, cut into 1/4-inch-thick rounds (3 1/2 to 4 cups)
• 1/2 large red onion, thinly sliced
• Ingredient info: Juniper berries are available in the spice section of most supermarkets.