Prepare the Mashed Potatoes:

Boil the Potatoes:

• - Place the peeled and quartered potatoes in a large pot and cover with water. Add a pinch of salt and bring to a boil.
• - Reduce heat and simmer until potatoes are tender, about 20 minutes.

Mash the Potatoes:

• - Drain the potatoes and return them to the pot. Add the milk and butter.
• - Mash until smooth and creamy. Season with salt and pepper to taste. Cover and keep warm.

Cook the Ground Beef and Prepare the Gravy:

Brown the Beef:

• - In a large skillet, brown the ground beef over medium-high heat until no longer pink. Drain any excess fat.

Cook the Onions and Garlic:

• - Add the diced onion and minced garlic to the skillet with the beef. Cook until the onions are translucent, about 5 minutes.

Make the Gravy:

• - Sprinkle the flour over the beef and cook, stirring, for another 2 minutes to cook off the flour taste.
• - Gradually stir in the beef broth and Worcestershire sauce, scraping up any browned bits from the bottom of the skillet. Bring to a simmer and let the gravy thicken, about 5 minutes.
• - If using, add the frozen peas and carrots during the last few minutes of cooking.
• - Season with salt and pepper to taste.

Serve:

Plate the Dish:

• - Spoon the creamy mashed potatoes onto plates or into bowls.
• - Top with the ground beef and gravy mixture.
• - Serve hot.