All the flavours of leek and potato soup but with added cheese and pastry ... couple of slits in the pastry so the steam can escape. Bake for 30 minutes until puffed up and golden brown.

It goes on to praise the filling too, stating that "The vegetarian cheese and potato pie filling is also delicious and simple to make." READ MORE: Mary Berry's easy chicken and leek casserole ...

Put a cast iron casserole in the oven ... Peel the potatoes and the parsnip and cut them into two-centimetre sized chunks. Heat the butter and olive oil in a large pan over high heat.

Pour into warm bowls and sprinkle with extra crumbled blue cheese. Melt the butter in a medium sized saucepan, add the leeks, potatoes and bay leaves. Season with salt and freshly ground pepper ...

Gill Meller’s potato, leek and blue cheese pie, meanwhile, is a creamy, herby bake that delivers sticky ... and toss in a bowl with the nutmeg, butter and 1 tablespoon of the olive oil.

However, cooks often love her humble, savoury pie recipes, especially the potato, leek, and cheese versions ... Ingredients For the flaky pastry 125g butter, frozen for one hour 125g hard ...