Remove stems from peppers, and cut in half lengthwise.

Remove ribs and seeds from peppers.

Bring a small pot of water to boil. Add peppers; cook banana peppers for 1 minute and jalapenos for 3 minutes.

Set peppers aside.

Dice meatballs and place in small, clean saucepot. Add at least 1/3 cup sauce.

Bring to a boil, stirring occasionally.

Preheat broiler.

Place peppers on small baking tray, and fill with meatball mixture.

Top with cheese, and broil for 1 minute or until melted.