Apple Spinach Salad with Thyme-Dijon Vinaigrette

To prepare vinaigrette: In a screw-top jar, combine oil, vinegar, thyme, mustard and salt. Cover; shake well to mix.

To prepare salad: In a large bowl, toss together spinach, apple, onion, and dried cherries. Drizzle with 1/4 cup of the vinaigrette (reserve the rest for another use). Toss gently to coat. If desired, top individual servings with cheese.