Frozen meatballs in air fryer - preheat air fryer to 380, add contents in one layer and cook for 8-10 minutes until tender.
How to cook frozen meatballs in oven - toss with favorite sauce and pour into baking dish with a lid. Bake aqt 350 F for 20 minutes, remove lid, gently stir and bake for another 10 minutes until tender.
How to cook frozen meatballs in microwave - Wet a few paper towels and lay on a plate, set meatballs in one layer on top and fold wet towels over the top. Heat for 2 minutes and then check, add 1 more minute ongoing until they are as tender and hot as you'd like.
Cooking frozen meatballs in pressure cooker - add 1.5 c water into inner pot, lower vegetable steamer basket on bottom and add frozen meatballs. Set to high pressure with sealed lid and cook for 4 minutes followed by a quick release.