Add Panko to a large bowl
Chop onion into chunks and purée in a blender
Add onion purée to Panko and mix well
Add all dry ingredients and mix well
Add remaining ingredients and mix well using your hands
Form mixture into a loaf
On a clean surface or cutting board lay out proscuitto in two overlapping rows of 4 slices and place loaf at one end
Start rolling the loaf across the proscuitto. It shoud pick up the proscuitto but you may have to coax it along to adhere to the loaf
If necessary, use two more slices of proscuitto to cover the ends of the log
Transfer the loaf into the prepared loaf tin or baking dish
Brush ½ the glaze generously over the loaf
Bake the loaf for 45 minutes
Remove from oven and brush it with most of the remaing glaze
Bake the loaf for an additional 30 minutes
Remove from oven and let it rest for about 10 minutes
Turn out, brush remaining glaze over top and carve into slices about 20 to 25 mm thick
Serve with your favorite sides and gravy (Shown here wth Hasselback potato and green beans)