Cheeseburger Potstickers

Name: Cheeseburger Potstickers
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Yield: 0
Ingredients: 1/2 pound ground beef; 2 teaspoons ketchup; 2 teaspoons mustard; 2 teaspoons Worcestershire sauce; 1 teaspoon cornstarch; Green onion, chopped; Salt and pepper to taste; Shredded cheese; 14-16 gyoza wrappers; Ketchup for dipping