Barbequed Beef Short Ribs

• 6 garlic (cloves)
• 2 chinese five-spice powder
• 1 rib (pieces)
• 2,700 gr beef chuck ribs
• 240 ml water
• 180 ml soy sauce
• 160 ml dry sherry
• 110 gr packed dark brown sugar
• 16 gr ginger (fresh grated)
• 8 gr pepper (ground red)