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Method
Make it happen
- 01
Heat oven to 190°C fan. Boil potatoes until soft and mash with a little milk.
- 02
Fry chicken in oil for 6 minutes; add leeks and mushrooms and soften 6 minutes.
- 03
Add butter and flour, stirring 1 minute. Gradually add stock and remaining milk; simmer until thick and chicken is cooked.
- 04
Transfer filling to a baking dish, top with mash and cheddar.
- 05
Bake 20–25 minutes until bubbling and golden, then rest for 5 minutes.