
Peel and cube the potatoes, cover with salted water, and boil 15 minutes until fork-tender.
Meanwhile brown the beef and diced onion in a large skillet over medium-high heat, about 8 minutes. Drain excess fat, leaving about 1 tbsp.
Sprinkle flour over the beef and stir 1 minute. Stir in broth, 1/2 cup milk and Worcestershire, then simmer 5 minutes until thick and glossy. Stir in peas for the last 2 minutes.
Drain potatoes and mash with butter, remaining 1/2 cup milk, salt and pepper.
Ladle the beef gravy over big scoops of mashed potatoes.
Photo: DinnerDrop