Step 1

Preheat the oven to 350°F (177°C).

Step 2

Line a rimmed baking sheet with parchment paper or aluminum foil.

Step 3

Arrange the meatballs in a single layer on the baking sheet.

Step 4

Bake the meatballs for 20 to 25 minutes until they are cooked through.

Step 5

For more even browning, turn the meatballs halfway through the baking time.

Step 6

Pour your favorite sauce into a large frying pan.

Step 7

Add the desired number of frozen meatballs and bring to a simmer over medium heat.

Step 8

Cover with a lid and cook for 20 minutes.

Step 9

Add sauce and meatballs to the slow cooker or crockpot.

Step 10

Cover and cook on low for 4 to 6 hours.

Step 11

Preheat the air fryer to 400°F (205°C).

Step 12

Add the meatballs in a single layer. Do not overcrowd the air fryer basket.

Step 13

Cook for about 10 minutes turning the meatballs halfway through the cooking time.

Step 14

Place the meatballs in a microwave-safe dish.

Step 15

Cover with sauce.

Step 16

Cover the dish but leave a small gap for the steam to escape. Microwave on high for 1 minute.

Step 17

Stir and test for doneness. Continue cooking in 30-second intervals until the meatballs are fully cooked.