Wash and dice the potatoes, onion, and bell pepper. Set aside.

Heat olive oil in a skillet over medium heat. Add diced potatoes, seasoning with salt and pepper. Cook for 10-12 minutes.

Push potatoes to the side and add onion and bell pepper. Sauté for 2-3 minutes until softened.

Add ground beef or turkey, breaking it up while cooking for 5-7 minutes until browned.

Stir in garlic powder, Worcestershire sauce, and tomato sauce; simmer for 5 minutes.

Sprinkle cheese over the mixture, cover, and cook for 1-2 minutes until cheese is melted.

Remove from heat, garnish with green onions, and serve warm.