The diploma thesis deals with the diet during the diabetes mellitus type 2 disease and with possibilities of enriching the diabetic?s diet. The theoretical part of the thesis is focused on the description of this disease and the topic of the diet therapy ? what diets can be followed by diabetes patients and whether the diet is appropriate. The practical part of the thesis is dealing with the enrichment of the diabetic diets. Results of the questionnaire shown which meals are missed by the diabetics and for some of them were designed the recipes. According to the recipes were cooked diabetic dishes which were after that given to tasting and rating. Based on the statistic test and results of the rating dishes were evaluated to decide which are preferred to put in diabetic diet and which are not. I also prepared one exemplary menu including mentioned dishes.