- Cook linguine as directed on box, but undercook slightly. Drain. Rinse with cool water.
- In a large bowl, combine linguini, scallions, and cucumber.
- In a separate bowl, whisk together peanut butter, vinegar, soy sauce, water, oil, garlic, 5-spice powder, and hot sauce.
- Arrange lettuce on platter. Spoon linguine mixture into the middle. Drizzle dressing over top. Garnish with sesame seeds and tomato wedges.