Ingredients
1onion,cut into paper-thin slices
2½tspgrainy dijon mustard
2tspred wine vinegar,or white wine vinegar
¼tspsalt
¼tspfresh ground black pepper
½cupolive oil
1lbsmoked ham,sliced, cut into matchstick strips
½lbgruyère cheese,sliced, cut into matchstick strips
¾cupfresh parsley,chopped
Preparation
Put the onion in a small bowl of cold water and let stand for 10 minutes. Drain the onion, rinse, and then pat dry with paper towels.
Meanwhile, in a large glass or stainless-steel bowl, whisk together the mustard, vinegar, salt, and pepper. Add the oil slowly, whisking. Add the ham, cheese, onion, and parsley to the vinaigrette and toss.
Serve and enjoy.