Baked Sterling halibut "back" with butter sauce - Sterling Halibut

Ingredients

• 1.4 kg Halibut, a whole halibut cut in half lengthwise
• 1 piece Cauliflower in florets
• 1 piece Fennel in rings
• 2 spring onions, cut diagonally
• Fish cream sauce with saffron
• 8 dl halibut stock
• 4 dl White wine or dry apple cider
• 3 dl whipping cream
• 200 g unsalted butter
• 1 g Saffron
• 50 g Trout roe
• 25 g Leyrom or chicory
• 5 tbsp Fresh chives, finely chopped
• Salt
• Cayenne pepper