Dijon Dressing:
1/2 cup olive oil 1/4 cup Dijon-style mustard 1/4 cup balsamic vinegar 1 clove garlic, crushed 1 tsp sugar 1/4 tsp pepper

1. In medium bowl, whisk together dressing ingredients until creamy; set aside.

2. Cut Beef into 1" x 1/2" pieces. In large nonstick skillet, heat oil over medium-high heat until hot. Add Beef (1/2 at a time) and stir-fry 2 to 3 minutes or until outside surface is no longer pink. Remove from skillet; season with 1/2 teaspoon salt and 1/4 teaspoon pepper.

3. In large bowl, combine greens and 1/2 cup dressing; toss. Arrange greens on platter; top with Beef and croutons. Serve immediately, passing remaining dressing. 4 servings.