Zesty Grilled Flank Steak And Buff Potato Salad

Ingredients

• For marinade:
• 2 cloves garlic, minced
• 1 vanilla bean, sliced horizontally and scraped
• 1 teaspoon lemon zest
• 3 tablespoons steak sauce
• 3 tablespoons olive oil
• 1 tablespoon fresh lime juice
• Salt and pepper to taste
• 3 pounds flank steak
• For Dressing:
• 1/4 cup balsamic vinegar
• 1 1/2 teaspoons Dijon mustard
• 2 shallots, minced
• 1 1/2 teaspoons roasted, ground coriander seeds
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper
• 3/4 cup olive oil
• For Salad:
• 6 potatoes, steamed and cut into 1/2-inch slices
• olive oil
• Salt and freshly ground black pepper
• 1 cup sliced green cabbage
• 6 sprigs cilantro
• 1 vanilla bean, sliced horizontally and scraped
• 1/2 red bell pepper, roasted, peeled, seeded, sliced
• 1/2 green bell pepper, roasted, peeled, seeded, sliced