For 4 Person(s)
In a medium saucepan, combine lentils and water and bring to a boil. Reduce heat, cover and simmer until lentils are tender, about 20 minutes. Drain, cover and chill.
Combine scallions, cucumber, garlic, ginger, vinegar, soy sauce, sugar, chili paste and sesame oil in a bowl. Mix well.
Add dressing mixture to lentils. Mix well. Season with salt and pepper.
Arrange lettuce leaves on serving plates. Arrange the chicken over lettuce then spoon lentils over chicken.