Cut sweet potatoes into large chunks. Place in medium-sized kettle and cover potatoes with water. Boil 3-5 minutes, so soften potatoes. Drain sweet potatoes and cool slightly, then dice potatoes into small cubes.
In a large skillet, saute onion, pepper and garlic in oil. Season with salt and pepper.
Add sweet potatoes and cook for 2-3 minutes.
Add beef and Worcestershire sauce. Cook 3-4 minutes, stirring occasionally. Season with salt and pepper.
Add vinegar and cook 2 minutes longer.
Make five wells in hash and crack one egg into each well. Season with salt and pepper, then cover skillet and do not stir until eggs are done over easy, or cooked to your liking.