The invention relates to a method for manufacturing a strained fermented dairy product comprising the following successive steps: (a) providing a dairy product, (b) adding a lactase and a culture of bacteria comprising at least one strain of thermophilic lactic acid bacteria, with the provision that that it does not comprise any strain of mesophilic lactic acid bacteria, and fermenting the dairy product to obtain a fermented dairy product, and (c) separating a liquid whey from the fermented dairy product to obtain a strained fermented dairy product.