Oven roasted scallops with lemongrass and coriander

Ingredients

• 32 cleaned scallops in shells
• 250 g unsalted butter
• 4 sticks lemongrass (white parts finely chopped)
• juice of 2 limes
• 1 bunch coriander, chopped
• 1 knob of ginger, peeled and finely grated
• 1 knob of galangal, peeled and finely grated
• 12 shallots, finely diced
• 3 cloves of garlic, crushed
• 4 red banana chillies, finely diced
• salt for seasoning
• 100 g chilli tobiko (chilli-spiked flying-fish roe)