Krumkake or 'Krum kaka' (; meaning bent or curved cake, plural krumkaker) is a Norwegian waffle cookieAase Str?mstad: Mat p? norsk. Tradisjonsrike retter fra hele landet, Aschehoug forlag 1985, side 98, ISBN 82-03-11408-3 made of flour, butter, eggs, sugar, and cream.