15-minute Beef Barbeque

1 lb beef round tip steaks cut 1/8 to 1/4 in thickness
2 tsp vegetable oil
1 med onion (thinly wedged)
3/4 cup prepared BBQ sauce
4 crusty rolls (split)

In large nonstick skillet, heat oil over medium high heat until hot. Add onion, cook and stir 3 minutes or until lightly browned. Remove from skillet (keep warm). In same skillet, add beef and stir fry 1 minute or until outside surface is no longer pink. Do not overcook. Stir in onion and barbecue sauce: heat through, stirring occasionally. Spoon equal amounts of beef mixture on bottom half of each roll with top half of roll.

from Athletes' Perfomance Nutrition