Wash potatoes thoroughly and cook in boiling water for about 15 minutes. Drain and leave to cool for about 1 hour. Cut the bacon slices into approx. 5 pieces each.
Cut the potatoes into slices about 1 cm thick. Put potato slices alternating with bacon on skewers.
Grill on the hot grill (not over the highest heat) for about 15 minutes while turning. Season with pepper.