Salisbury Steak Meatballs (Immediate pot, oven, slow cooker)

This cooked of meatballs in mushroom sauce and lightened by the use of half ground turkey and half lean beef. I have this in my instant pot (do a multi-cuisine the work of a slow cooker, electric pressure cookers, rice cookers, steam, yogurt maker, struck gold / pan and heat the pot in a) [. ..]