Food preparation in the form of a raw batter, capable of being shaped, in particular into sticks, balls, patties or portions, capable of being directly cooked at the time of consumption by any type of cooking, in particular in a fryer, and allowing the production of products copying or resembling traditional potato-based products, having a content of 15 to 30% of potato flakes, a content of 2 to 10% of whole egg powder or of egg white acting as binder, a content of 10 to 30% of milk proteins, and an overall protein content of between 10 and 30%, an overall carbohydrate content of between 7 and 30%, an overall lipid content of between 0.5 and 8%, a water content of between 40 and 70%, and a chemical value greater than 100, the said contents being expressed by weight per weight relative to the commercial product.