Combine sauces over medium heat in a large deep skillet and cook until bubbly.
Add meatballs and stir to coat. Reduce heat to medium-low, cover and cook until meatballs are heated through; about 15 minutes for frozen. Remove cover and continue to cook for several minutes, stirring occasionally, until sauce is reduced and meatballs are completely coated.
Combine sauces over medium heat in a large deep skillet and cook until bubbly.
Add meatballs and stir to coat. Reduce heat to medium-low, cover and cook until meatballs are heated through; about 15 minutes for frozen. Remove cover and continue to cook for several minutes, stirring occasionally, until sauce is reduced and meatballs are completely coated.