Ingredients
Method
1.Preheat oven to 220°C.
2.Place potatoes and a good pinch of salt in a large saucepan and cover with boiling water. Bring to the boil over high heat. Cook for 4-5 minutes or until just tender then drain well.
3.Meanwhile, whisk flour and milk in a medium pot (off the heat) until smooth. Stir in cream, stock, onion and bay leaves. Place over high heat and bring to the boil, stirring occasionally. Simmer for 2 minutes or until thickened slightly.
4.Place potatoes in a ceramic oven dish (we used a 22cm round one) and pour cream mixture over the top. Dollop with mustard and scatter cheese on top.
5.Bake for 20 minutes or until potatoes are cooked and the cheese is golden and bubbling.
You might want to place the dish inside another dish or on an oven tray in case it bubbles over during cooking.
Note