For the Mashed Potatoes:

1. 1. Boil peeled and chopped potatoes in salted water until fork-tender (about 15-20 minutes).
2. 2. Drain the potatoes, then mash with butter and milk until creamy.

For the Gravy:

1. 1. In a large skillet over medium heat, brown the ground beef for about 6-8 minutes, breaking it apart as it cooks.
2. 2. Add chopped onion and minced garlic to the skillet, cooking until onions soften (about 5 minutes).
3. 3. Sprinkle flour over the beef mixture and stir well. Gradually pour in beef broth while stirring continuously to avoid lumps.
4. 4. Bring to a gentle simmer for about 5 minutes until thickened. Season with salt and pepper.
5. To Serve:
6. 1. Spoon generous amounts of hamburger gravy over mashed potatoes on plates.
7. 2. Enjoy each bite of this comforting meal!