Preheat oven to 375ºF

Dice up the cooked chicken ½ by ½ inch and toss with the Buffalo sauce

Place the wontons in muffin pans sprayed and push them into form cups. Cook for about 5 minutes or until brown. Remove cups and let cool on a rack

Add the chicken into the cups, top with cheddar cheese and mozzarella cheese, then bake until melted. Remove from the oven and sprinkle with blue cheese and green onions