Sloppy Joe Sweet Potatoes

Name: Sloppy Joe Sweet Potatoes
Prep time: 15 min
Total time: 1 h 35 min
Yield: 4
Ingredients: 1 lb Ground beef; 1 tsp Garlic powder; 2 tbsp Green onions; 1/2 Onion; 4 Sweet potatoes, medium; 1/3 cup Barbecue sauce; 2/3 cup Ketchup; 2 tbsp Mustard, yellow; 1 Black pepper, Freshly ground; 1 tbsp Brown sugar; 1 tsp Chili powder; 1 Kosher salt; 1 tbsp Olive oil, extra-virgin; 1 cup Monterey jack cheese