Combine cornstarch, ginger, and soy sauce in small bowl. Cut chicken into strips and add to soy sauce. Set aside. Cook spaghetti.
In a large skillet, saute mushrooms and peas in 1 TBSP oil for about 4 mins.veggies should be slightly crisp. Remove to separate bowl and set aside. In same pan fry chicken mixture till chicken is cooked. Dissolve bouillion in hot water, add to chicken mixture. Cook and stir 1-2 mins. or till thickened. Add mushrooms and peas. Drain spaghetti, add to skillet along with sesame oil. Cook for 1-2 mins. longer, stirring often, till hot through. Enjoy!