These two-bite treats are for anyone who loves the combination of chocolate and hazelnuts. Hidden beneath a crunchy topping of toasted nuts is a dollop of chocolate hazelnut spread, which oozes like the middle of a molten lava cake when a cookie is served warm. For the creamiest centers, drop or pipe teaspoonfuls of the chocolate hazelnut spread on a parchment paper-lined pan and freeze until firm. Press those frozen mounds into the centers of the raw cookie dough rounds and bake. Whether…