Adding the liquid of the rolled product, adding the powder product later, and adding the chopped product later. Ethyl maltol has strong characteristics and small dosage, and ethyl maltol homologues can play a very effective role at very low concentration. It is necessary to accurately weigh or adjust the concentration of the stock solution first, and then add food according to the optimal ratio of the formula. Select the temperature with the least loss in the process and stir evenly. So as to ensure the uniform distribution of the flavoring agent in the final product.