Preheat oven to 375
Melt butter in pan
Add onion and saute until transluscent
Add dried cranberries and chicken broth
Simmer for 5 minutes
Add stuffing, toss and set aside
Remove skin from turkey breast
Season turkey with salt and pepper
Lay a large piece of plastic wrap on counter
Spread stuffing in a single ¼ inch layer on top of plastic wrap
Place turkey on top and lift plastic wrap to wrap stuffing around turkey
Seal tightly and refrigerate for ½ hour
Unroll puff pastry, place on parchment paper and roll with rolling pin to make it large enough to wrap around turkey
Brush edge of pastry with egg wash and wrap snug around turkey. Seal edges
Remove from refrigerator, unwrap turkey and place on puff pastry
Using the tip of a knife cut a few leaves out of puff pastry and roll an 8 inch long string
Make a vine pattern on top of puff pastry
Brush egg wash over puff pastry
Bake in oven for 1¼ hours
Remove and let rest for 10 minutes then slice and serve