Larb Chicken Salad

Whisk first 4 ingredients in medium bowl to blend; reserve sauce.

Bring broth to simmer in heavy large skillet over medium heat.

Add chicken. Simmer until cooked through, breaking up meat with spoon, about 8 minutes.

Add green onions and next 3 ingredients. Stir until vegetables are tender and most of liquid has evaporated, about 4 minutes.

Remove from heat. Stir in sauce, cilantro and mint. Season with salt and pepper.

Spoon into lettuce leaves; serve.