Pickled Grapes Gelson's

Ingredients

• ½ cup white wine vinegar
• ¼ cup red wine vinegar
• ¼ cup sugar
• 2 tsp kosher salt
• 1 cup water
• 1 lb red grapes, rinsed, drained, and halved lengthwise
• ½ small red onion, thinly sliced
• 1 Gelson’s organic bay leaf
• ½ tsp coriander seeds
• ¼ tsp fennel seeds
• ¼ tsp black peppercorns
• ⅛ tsp mustard seeds
• ⅛ tsp red pepper flakes
• Special equipment: 1-quart canning jar