TOSS pork strips, steak sauce and half of the lime juice. Refrigerate 30 min. to marinate.
SPRAY nonstick skillet with cooking spray; heat on medium-high heat. Add bell peppers, onion and serrano chile; cook 6 to 8 min. or until onion and peppers are soft. Transfer to bowl; toss with remaining lime juice and cilantro. Cover; keep warm.
ADD pork mixture to skillet; cook 4 to 5 min. on medium-high heat or until cooked through. Spoon evenly onto warm tortillas. Top with vegetables, rice and cheese.
