Cheeseburger Potato Skins

Ingredients

• 8 russet potatoes small/medium
• olive oil 2-3 tablespoons, approx.
• Salt and pepper
• 1 lb ground beef I use ground sirloin
• 1/2 onion small diced
• 1/4 c ketchup
• 2 tsp yellow mustard
• 2 tsp Worcestershire sauce
• 1/2 tsp pepper
• 1/2 tsp sea salt
• 1 tsp garlic powder
• 2 c cheese divided
• sour cream, chives and other toppings