Mix all the ingredients and wrap them in paper, forming a cylinder. Refrigerate while you make the other components.
On the Instant Vortex control panel, press Bake, set time to 30 Minutes (or until a knife slices through easily) and the temperature to 390°F (200°C) for meat cooked to medium doneness. Press Start.
While the meat is cooking, wrap in foil to keep it from getting cold.
Serve butterflied topped with the mixture of sour cream, chives, salt and pepper.
On the Instant Vortex control panel, press BAKE, then set time to 10 Minutes and temperature to 390°F (200°C) for meat cooked medium. Press Start.
Rub the pieces of meat with olive oil, salt and pepper.
Once prompted to Add Food., open the basket and put in the meat. Close.
Once Turn Food appears on the display, remove the basket from the Instant Vortex and turn over. Reinsert the Instant Vortex basket and close.