Widely eaten in the Netherlands (though not on its own - usually on bread, and never with jelly). Many people swear by the main brand Calvé, although peanut-onl

Widely eaten in the Netherlands (though not on its own - usually on bread, and never with jelly). Many people swear by the main brand Calvé, although peanut-only single-ingredient peanut butter has gained serious traction in the past few years.