Mix the two kinds of milk with the sugar and the yogurt, mix with a whisk until smooth and pour it carefully into the pots.
Plug in the appliance, click once on "OK" to select the yogurt mode. If necessary, adjust the cooking time using the "+ -" keys. Confirm your choice by clicking on "OK".
When cooking is complete, leave yogurt to cool, put the lids on the pots and refrigerate.