Place pork in a bowl – drizzle w/ 2 T. soy sauce, and set aside.In another bowl, combined sugar and cornstarch.Stir in broth, lemon juice, and red pepper flake and remaining soy sauce – blend and set aside.
In a nonstick skillet stir – fry pork, onions and garlic in oil for 4 minutes.Add peppers and fry for 4 – 5 minutes.
Stir cornstarch mix and add to pan.Bring to a boil, cook and stir for 1 minute or until mixture thickens.Serve over the cooked rice.