Abstract: Method (1) for preparing a milk-containing beverage containing speculoos (8), consisting of the following steps:—removal of the milk fat fraction (5) from the milk by centrifugation or churning,—grinding of speculoos (2) into speculoos powder (4) dispersion of fine speculoos powder (4) in the milk fat fraction (5) of the whole milk (3) by mixing the milk fat fraction and the speculoos powder at high speed in a dispersing mixer (10), a high-friction disperser (12) or in a. disintegrator/dissolver (21);—adding the resulting dispersion (6) to skimmed milk (7) or low-fat milk in a proportion that restores or approximates the original milk fat content in the whole milk (3); intensely mixing the dispersion (6) with the skimmed (7) or low-fat milk to a stable dispersion of the speculoos powder (4) in the milk.