Meatball prep--for pre-made, store bought meatballs
Preheat over to HIGH broiler setting.
Arrange frozen meatballs on a broiler pan.
Broil meatballs until golden brown, about 6.5 minutes. Be careful to monitor closely during broiling, as meatballs will darken very quickly once they've reached the right temperature.
Turn meatballs over and broil until second side is golden brown, about 1.5 additional minutes.
Making the Meatball Sauce and Cooking the Meatballs
In a large bowl, mix together chili, jam, oregano, red pepper flakes, and tomato puree. Heat at 200 degrees in NESCO roaster oven.
As meatballs come out from under the broiler and carefully add them to the pot, making sure to replace the cover after each addition. When all meatballs have been added, set the timer to 3 hours.
Stir meatballs regularly, spooning sauce over the top to ensure good flavor circulation.
When meatballs are done, serve immediately or allow to cool and refrigerate as soon as possible. If you have a NESCO roaster oven, you can simply replace lid and refrigerate the whole removable cookwell, saving you the time of looking for a separate storage container.