1Season pork with pepper. Heat oil in 10-inch skillet over medium heat. Cook pork in oil 3 to 4 minutes or until brown, turning to brown evenly.
2Stir together gravy, mustard, vinegar, Worcestershire sauce and red pepper; stir into pork. Heat to boiling, stirring occasionally. Stir in vegetables. Heat to boiling; cover and simmer over medium-low heat 8 minutes, stirring occasionally.
3Make potatoes as directed on pouch, using water, milk and butter. Add egg; whip with fork until smooth. Spoon potatoes over simmering pork mixture. Cover and heat through 5 minutes.