Abstract: Provided is a filling for a food product including a viscous, essentially anhydrous fat cream and at least one hydrophilic additive embedded in the fat cream, wherein the fat cream includes at least one outer region adjacent to an outer surface of the fat cream, at least one inner region, and at least one transition region disposed between the outer region and the inner region, wherein a mass fraction C of the hydrophilic additive increases continuously along a gradient G from the inner region through the transition region to the outer region.

Abstract: Provided is a method for preparing a biscuit including at least one edible piece good on at least a portion of a rough surface of a biscuit preform, the method including at least one baking phase and one cooling phase, following the baking phase, of the biscuit preform. The embodiments further relate to a biscuit with at least one edible piece good, which is fixed on at least a portion of a rough surface of a biscuit preform, wherein the binding agent is not visually perceptible for a consumer of the biscuit. The embodiments also relate to a production plant for preparing a biscuit by a method.