1. Toast sesame seeds in medium skillet over medium heat until lightly browned. Set aside.
2. Puree 3 tablespoons sesame seeds, peanut butter, soy sauce, vinegar, garlic, ginger, tabasco and brown sugar together in food processor until smmoth, about 30 seconds. Set aside.
3. Cook linguine with 1 tablespoon salt until tender. Drain noodles. If you want your sesame noodles cold then rinse under cold water until cool, otherwise just drain and proceed to next step.
4. Toss noodles with sesame oil until coated. Add chicken, shredded carrot, scallions and sauce and toss well to combine. Sprinkle with remaining sesame seeds and serve.