1-1/4 lbs. boneless beef top round or top sirloin steak, cut 1-inch thick
2 pkg. (3 oz. each) oriental-flavored instant ramen noodles, broken up
1-1/2 tsp. cornstarch dissolved in 1/2 cup water
2 Tbsp. vegetable oil
1/2 lb. broccoli florets
2 medium carrots, thinly sliced
1 tsp. grated orange rind (optional)