I have one (800w) that takes about 5min to cook a potato (200gr), the manual suggests "once the potatoes are cooked, wrap them in tin foil for at least 5 minute

I have one (800w) that takes about 5min to cook a potato (200gr), the manual suggests "once the potatoes are cooked, wrap them in tin foil for at least 5 minutes to cook through" but I just cook one wrapped with baking paper.