Dijon Parmesan Salad

Dressing:
2 Tablespoons olive or vegetable oil
1 Tablespoon red wine vinegar
2 teaspoons grated Parmesan cheese
2 teaspoons Dijon mustard
1/4 teaspoon salt

Salad:
2 cups assorted salad greens (tear into bite size pieces, about 2 oz)
1/2 cup sliced fresh mushrooms
1/4 cup thinly sliced leek (looks like a green onion only bigger, more layers, has a mild onion flavor)
Croutons, if desired

In tightly covered container, shake oil, vinegar, cheese, mustard and salt until well blended. Refrigerate at least 1 hour.
In large bowl, place salad greens, mushrooms and leek. Add dressing; toss to coat. Garnish with croutons.