2 tablespoons fresh chopped cilantro or 1/2 teaspoon dried coriander
1/2 teaspoon Kosher salt
freshly ground black pepper
Preheat oven to 400 F.
In a small bowl, combine brown sugar, salt, cumin, garlic powder, chili powder and cayenne and stir well. Rub spice mix all over the steak, coating well.
Heat olive oil in a large ovenproof pan over medium high heat and add steak. Sear on each side for 4 minutes or until a nice dark crust forms, 8 minutes total. Transfer pan to the oven and cook 5 minutes for medium rare doneness or 8 minutes for medium.
Let steak rest 5 minutes before slicing.
Meanwhile, in a large bowl, combine beans, corn, tomatoes and green onion and stir. Add lettuce and toss to combine.
In a small bowl, combine all dressing ingredients and whisk well. Pour over lettuce mixture and toss. Distribute salad between 4 bowls and add sliced steak on the side.