1 ½ lbs beef skirt steak 1 tsp chili powder Kosher salt and pepper 1 ½ lbs plum tomatoes, chopped 2 scallions, sliced 1 jalapeno, sliced 2 TBSP fresh lime juice 1 cup fresh cilantro 6 cups baby arugula Heat broiler or grill on medium-high. Season steak with...