1 beef top sirloin steak (1 pound), cut into 1/4-inch strips
1 tablespoon olive oil
8 cups torn mixed salad greens
1 cup shredded carrots
1/2 cup thinly sliced cucumber
4 radishes, thinly sliced
For dressing, whisk together first 7 ingredients.
Mix first 5 beef ingredients; toss with beef strips. In a large cast-iron or other heavy skillet, heat olive oil over medium-high heat; stir-fry beef mixture until browned, 2-3 minutes. Remove from pan.
Combine salad ingredients; divide among 4 plates. Top with beef. Drizzle with dressing.