Pålægschokolade ("chocolate to put on bread") are thin slices of chocolate (or vekao) that are used as a topping (in danish, pålæg) on bread, such as rugbrød or white bread, similar to how chocolate spread is used in many countries. it is common in denmark.it is available in both light and dark chocolate, with the light variety being more common (the danish confectionery toms sells 70% light and 30% dark). it was originally introduced to the danish market by galle & jessen in 1963.

Source: Wikipedia