Apple Mignonette

Ingredients

• 1/2 granny smith apple, peeled and finely diced
• 1/2 small celery rib, finely diced
• 1 1/2 tablespoons shallots, minced
• 1 tablespoon peppercorn, coarsely crushed
• 1 tablespoon lemon juice
• 4 fluid ounces cider vinegar
• 2 fluid ounces white wine vinegar
• chopped chives (to garnish)
• parsley (to garnish)