Sweet and Sour Pork

In medium bowl or zipper storage bag combine pork, egg and soy sauce. Marinate for 30 minutes.
In small saucepan heat 1 tablespoon oil over low heat. Add garlic and ginger; cook for 1 minute stirring constantly. Add chicken broth, pineapple juice, soy sauce, rice vinegar, ketchup, Worcestershire sauce and if desired crushed red pepper. Simmer for 10 minutes. Whisk 1 tablespoon cornstarch with 2 tablespoons cool water. Whisk into the sauce and cook on low until slightly thickened; 2-3 minutes.
Combine 4 tablespoons cornstarch and flour in a large zipper bag. Shake to combine. Heat 2 tablespoons oil in heavy skillet over medium heat. Using tongs remove pork from marinade. Add pork to bag and shake to coat. Using tongs remove coated pork and add pork to skillet cooking about 3 minutes on each side or until cooked through. Remove to plate and place in oven on warm.
Carefully wipe out skillet with paper towel; it will be hot. Add 1 tablespoon oil to skillet over medium heat. Add peppers to skillet and cook until just starting to soften; approximately 5-6 minutes. Add pineapple and cook for an additional 1-2 minutes. Add simmered sauce, fried pork and green onions to pan. Heat through for 1-2 minutes. Serve promptly.