Step #2 Whisk together fish sauce, garlic, chili paste & sesame oil; pour over meat, lime juice, sherry, hoisin sauce, ginger, turning to coat well.
Step #3 Cover up & put in the fridge for at least 8 hrs or up to 24 hrs.
Step #4 Let stand at about room temp for 30 mins.
Step #5 Place lettuce in large attractive salad bowl.
Step #6 In small saucepan of boiling water, cook snow peas for 2 mins or until tender-crisp.
Step #7 Drain & refresh under cold water; drain again, pat dry & add to salad bowl.
Step #8 On cutting board & using chef's knife, core red pepper & remove membranes & seeds; Cut into thin strips & add to bowl.
Step #9 Slice cucumber in half lengthwise; slice thinly crosswise & add to bowl.
Step #10 Add sprouts.
Step #11 Reserving marinade, turning once, place steak on greased grill over medium-high heat or under broiler; cook, for about 10 mins or until medium-rare.
Step #12 Transfer to cutting board & tent with foil wrap; let this stand for 5 mins.
Step #13 Meanwhile, in small saucepan, bring marinade to boil; boil carefully for 5 mins.
Step #14 Remove from heat.
Step #15 Whisk in vinegar & sugar; slowly whisk in olive oil.
Step #16 Let cool slightly.
Step #17 Slice meat diagonally across the grain into thin slices; add to salad bowl.
Step #18 Pour dressing over top; toss carefully until lightly coated.
Step #19 Serves 4.
Step #20 Variations:.
Step #21 Thai Pork Salad: Use pork tenderloin instead of flank steak.
Step #22 Grill, turning once, for 20 to 23 mins or until just a hint of pink remains inside.
Step #23 Thai Chicken Salad: Use 3 boneless skinless chicken breasts Instead of flank steak.
Step #24 Grill, turning once, for 8 to 10 mins or until no longer pink inside.