Ingredients and Preparation
- Prepare vinaigrette by whisking together mustard, vinegar, oil, 2 tablespoons bleu cheese, 1/8 teaspoon salt, and pepper. Set aside.
- Prepare outdoor grill (or a grill pan may be used indoors) over medium-high heat.
- Season steak with salt and pepper, and grill 4-6 minutes per side, depending on thickness of steak and desired degree of doneness. Let cool then slice into ½-inch strips.
- Toss together lettuce, tomatoes, and red onion. Arrange steak slices on top of salad, drizzle with vinaigrette, and sprinkle with 2 tablespoons bleu cheese.