Place trivet in the bottom of the Instant Pot liner.
Add frozen meatballs, BBQ sauce, water, and honey, spreading the sauce over the meatballs but do NOT stir.
Pressure cook on high pressure for 5 minutes. After cooking, do a quick release.
Notes
Storage: Store leftover BBQ meatballs in an airtight container in the refrigerator for 3 to 4 days. Reheat them in the microwave, on the stovetop over medium-low heat, or using the Instant Pot Sauté function.Freezer: Freeze the cooked meatballs and sauce in a freezer-safe container for up to 3 to 4 months. Thaw overnight in the refrigerator before reheating, and add a little extra BBQ sauce if needed after thawing.