Trim pork of fat and cut into 1 inch cubes; set aside.
In bowl, mix egg, salt, cornstarch flour and chicken stock; seaside. Add pork cubes to egg and flour mixture and stir til meat is well coated
Preheat oven to 250. Pour the 3 cups peanut oil into a wok and set it over high heat. When oil begins to smoke (375 degrees), drop in the pork cubes, one by one. Fry for 5 to 6 minutes. Remove and keep warm in the oven.
To make the sauce, pour off the cooking oil and add the 1 Tbsp. peanut oil. Add the garlic, green pepper and carrot. Stir fry for 2 to 3 minutes. Pour in the chicken stock, sugar, vinegar, and soy sauce. Boil for 1 minute. Add cornstarch mixture. When mixture thickens, pour it over the pork and serve.