To modify the category of a recipe, open “My Cookbook”. In the “Recipe List”, tap the picture of a recipe or tap and hold the recipe that you wish to change.
You can select the "Add category" option. Then just choose the category, the recipe will be added to that category.
A second option is to select the "Modify" (pen icon) option.
The “modify” button will allow you to edit the recipe including changing the category.
Click the category.
Select your categories for the recipe and then click OK.
Save the change with the save button at the bottom of the page or in the menu of the page.