Candied Walnut Salad with Walnut Vinaigrette

INGREDIENTS

• 1 tablespoon butter
• 1/2 cup brown sugar
• 12 ounces walnut halves
• 1/2 cup apple cider vinegar
• 2 tablespoons chopped fresh chives
• 2 tablespoons chopped fresh parsley
• 1 1/4 teaspoons chopped fresh dill
• 1 tablespoon chopped fresh chervil
• 1/2 cup walnut oil
• 1/2 cup peanut oil
• 10 ounces arugula leaves or spring mix
• salt to taste
• ground multi-colored peppercorns to taste