Chicken & Leek Cheesy Mash Pies

The classic chicken and leek pie remains a reliable British staple, but this hybrid approach from Backyard Chef introduces an interesting textural twist by merging a shortcrust pastry case with a cheesy mashed potato topper. Combining these elements provides the crisp, buttery structural base of a traditional pie with the rich, comforting lid of a cottage pie. For busy kitchens, this hybrid offers excellent heat retention and a highly appealing visual presentation when served in individual tins.

Building the Savoury Filling

A successful chicken pie relies entirely on the consistency and depth of its filling. This recipe starts by searing diced chicken—ideally thighs for moisture, though breasts can be used—in butter and oil. Once coloured, sweat the sliced leeks and garlic until softened and sweet.

Instead of dirtying a separate pan for the sauce, build a quick velouté-style base directly over the protein. Dust the chicken and leeks with plain flour to coat, then gradually whisk in hot chicken stockStockA liquid made by simmering bones, meat, fish, vegetables or aromatics. and double cream. This creates a glossy, thick sauce that will not run when the pie is cut. Introducing Dijon mustard and dried thyme provides a necessary sharpness to cut through the rich dairy, whilst fresh parsley added at the pass keeps the filling vibrant.

Managing the Dual Textures

The primary challenge with dual-texture pies is avoiding a soggy pastry base while ensuring a golden top. Line individual pie dishes with shortcrust pastry. For the topping, steam-dry the boiled potatoes thoroughly before mashing with butter and milk. A wet mash will sink into the gravy, thinning the sauce and ruining the definition of the topping.

Spoon the chicken filling into the pastry-lined dishes, top with the stiff mashed potato, and cover with a generous layer of mature cheddar. When baked, the cheese melts into a protective, deeply browned crust that seals in steam, while the shortcrust pastry bakes crisp against the sides of the tin. This technique offers a brilliant way to prep individual portions ahead of service, requiring only a final bake to order.