Prepare pasta as package directs, adding broccoli during last 4 minutes of cooking. Drain.
Meanwhile, preheat grill.
Brush flank steak on both sides with 2 tablespoons TABASCO® Chipotle Sauce. Grill steak over medium-high heat, about 6 to 7 minutes for medium-rare, turning once. Set aside.
Heat oil in 10-inch skillet over medium heat. Add onion; cook about 5 minutes. Add garlic; cook 2 minutes longer, stirring occasionally until tender.
Thinly slice steak across grain. Toss pasta with sliced steak, onion mixture, roasted red peppers, salt and remaining 1 tablespoon TABASCO® Chipotle Sauce in large bowl; mix well.
Makes 4 to 6 servings.