Heat the olive oil in a high-sided frying pan over medium heat.Add the green pepper and pork in a single layer and cook until the meat is cooked through, stirring occasionally.
Stir in the onion, parsley, cornstarch, salt, minced garlic, sugar, Italian seasoning, water, and tomato paste.Bring to a boil, reduce the heat, and simmer for 1 - 3 minutes until thickened.