Wash and clean the chillies, cut them in half lengthwise, remove the seeds and finely chop the pods. Mix butter with salt, paprika and chili
Wash the potatoes thoroughly and cut them into slices about 1 cm thick. Spread butter between the slices and wrap potatoes tightly in aluminium foil
Spread the charcoal to the left and right of the grill. Spread the potatoes between the charcoal and cook for approx. 30 minutes