What happened to the instructions on cooking the turkey and onions, etc.?

It looks like a step or two disappeared, hopefully the recipe author chimes in! If you're not comfortable winging it, here are a couple of other options for you: https://food52.com/recipes/39278-roasted-delicata-squash-stuffed-with-autumn-farro-and-orange-thyme-tahini and https://food52.com/recipes/37878-zucchini-stuffed-with-lamb-and-vegetables