Cook noodles according to package instructions. Drain and set aside.
In a bowl, combine the peanut butter, soy sauce, water, lemon juice, garlic, pepper flakes, and brown sugar.
In a skillet, heat 1 tablespoon canola oil over medium-high heat. Slowly
add chicken. Stir fry chicken for 3 to 4 minutes, or until the meat is no longer pink. Remove and set aside.
Stir-fry the carrot and broccoli with the remaining oil. Add the soy sauce mixture. Bring to boil. Stir the sauce until thick for 1 to 2
minutes. Add the chicken to the pan and heat it through. Add noodles.
Sprinkle sesame seeds. Good for 6 servings.