Mix 1 teaspoons cornstarch and 1 tablespoons soy sauce in a small bowl. Add sliced chicken tenders. Place in refrigerator and marinate for 10 minutes.
Stir the lemon juice, 1/4 cup soy sauce, chicken broth, ginger, garlic, Splenda and 1 teaspoons cornstarch together in a medium sized mixing bowl.
Heat oil in a medium size frying pan. Add chicken and cook over med. high heat for 3-4 minutes or until just done. Add sauce and sliced peppers. Cook 1-2 minutes more or until sauce thickens and peppers are slightly tender.