Heat oil in large non-stick skillet over medium high heat. Add onions and cook until tender (1-2 minutes); stirring constantly. Stir in ground beef. Cook beef for 4 to 6 minutes or until no longer pink; stirring frequently. Drain excess liquid. Add tomatoes, olives, and ground pepper. Cook until juice from tomatoes has evaporated (about 5 to 7 minutes). Serve on plater. Sprinkle with cheese.
Serve on platter with chips around the edges.