Cook and drain the rice noodles according to the directions on the package.
Season the chicken with garlic powder, salt, and pepper. Spray a nonstick skillet or wok with olive oil spray and add the chicken. Cook 7-10 minutes or until the chicken is cooked through. Add the chicken to a bowl and set aside.
While the chicken is cooking, make the sauce. Add the PB2 and water to a bowl and stir together. Add the soy sauce, fish sauce, brown sugar, Splenda, rice wine vinegar, and lime juice. Stir together and set aside.
Spray the skillet then add the red pepper, carrots, and green onions. Cook for 7 minutes stirring occasionally. Add the bean spouts and garlic. Cook for 2 minutes.
Push the vegetables to one side of the pan and add the eggs to the other side. Scramble the eggs while they cook.
Once the eggs are cooked, stir them together with the vegetables. Pour the mixture into a bowl and set aside.
Add the sauce to the pan and let it heat up for 2 minutes. Stir in the noodles, chicken, and vegetable mixture.
Optional: Garnish with cilantro, chopped peanuts, or green onions.