Halibut In Creamy Wine Sauce

• 1 pat halibut steaks dry
• 1 transfer halibut to platter (serving)
• 1/2 lemon (wedges)
• 190 gr pkgs halibut steaks (frozen thawed)
• 160 ml milk
• 80 ml dry wine (white)
• 55 gr butter
• 16 gr flour
• 14 gr sugar
• 1 gr salt