This salad has a nice balance of flavors. Grilled flank steak can substitute for the tenderloin, if you prefer.
Place beef on grill rack coated with cooking spray; grill 6 minutes on each side or until desired degree of doneness. Cover and let stand 10 minutes. Cut beef diagonally across grain into thin slices.
Combine juice, fish sauce, sugar, and ground red pepper in a large bowl. Add beef, lettuce, and next 5 ingredients (lettuce through jalapeño); toss well. Add cilantro and mint; toss gently.
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