This Thermomix recipe for cod with creamy mustard sauce is a rich and flavorful dish that is perfect for a special occasion or a dinner party. The cod is first seared in a pan and then baked in the oven until tender and flaky. The creamy mustard sauce is made in the Thermomix with heavy cream, Dijon mustard, and white wine. The sauce is then poured over the cod to create a delicious and decadent dish. Serve with a side of roasted potatoes or a green salad for a complete meal.