The method for obtaining a cereal-based drinkable liquid food product, characterized in that it comprises the steps of: a) preparing a first mixture with the following ingredients: cereals, enzymes, and water, wherein said cereals are already ground or are ground while preparing the mixture, b) heating the ground mixture, c) reducing the starch of said cereals to shorter chain sugars, d) preparing a second mixture by addition of hazelnut to the product resulting from step c) e) homogenizing said second mixture f) separating a liquid part from the second mixture g) adding cocoa and/or a cocoa containing product, to prepare a third mixture and obtain a liquid food product.