Herco Spread A delicious spread made from freshly baked original Belgian speculoos biscuits. A delicious hazelnut chocolate spread with crispy flakes. Ideal as a spread on bread, sandwiches, cakes and pancakes. Also perfect to be used as a filling for pies, cakes, muffins and many other pastries. Our Herco® crispy hazelnut chocolate spread is sublime in combination with chocolate for pralines, truffles and candy bars.