The inventive process relates to making flour confectionery products, namely, puff pastry, and comprises: preparation of dough with certain humidity by mixing flour, water, citric acid, and egg products, maturing the dough for swelling of gluten, forming the dough by rolling it out in several stages, applying at the last stage a cover layer with filler having thickness not exceeding 2 mm, sandwiching the dough with soft-fat component, multiple rolling and cooling the dough in several stages, forming dough pieces, covering each piece with the cover layer, baking the dough at a temperature of 240.degree. C., the humidity of the dough is maintained within the range of 22-27%. The filler may have different bases: grated cheese, salt, spices, mushrooms, nuts, invert liquid sugar with spices or dried fruits or poppy-seeds or sesame, or combinations thereof. The resultant products have high organoleptic qualities and preserve their consumer qualities within a long time period.