Dill Yogurt Salad Dressing

Makes about 3⁄4 cup 

1 tsp. Dijon mustard
2 T. white or apple cider vinegar
1⁄2 cup olive oil
2 T dill (or parsley) or however much you like
1⁄4 cup yogurt
1⁄4 cup grated parmesan cheese
Salt and pepper to taste