1
Microwave beef roast au jus according to package directions for 2 minutes.
2
Meanwhile, to make salsa, in bowl, combine tomatoes and olives. Stir in dressing.
3
Carefully pour contents of beef package into plastic tray provided. Pour off au jus; discard. With two forks, shred beef.
4
In large bowl, toss together salad greens and salsa; divide among 4 chilled salad plates. Divide shredded beef among salads.