Spatchcock Recipe

4 cloves garlic, peeled, 1 handful of mixed fresh herbs (sage, rosemary, thyme, parsley, oregano),

3 carrots, chopped into 3, 2 onions, cut into 8 wedges, 2 leeks, cleaned and chopped into 1,

1½ pounds of mixed seedless grapes, stems removed, ¾ pound peewee or fingerling potatoes, 8