How do I create ratings for a recipe?

You need to create a rating as mentioned in Topic 151 here:

http://support.mastercook.com/entries/22834968-MasterCook-for-Windows-Help-File#A151

Then it appears at the bottom of the More Info tab of the recipe edit screen in MasterCook 15 so you can select it from the drop-down menu and then slide the button to change the rating.