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Method
Make it happen
- 01
Boil peeled potato chunks in salted water for 15–20 minutes until soft.
- 02
Meanwhile cook leeks gently in butter for 8–10 minutes until sweet and tender without browning.
- 03
Drain and mash potatoes with warm milk, then fold in the buttery leeks.
- 04
Stir in grated cheese until melted; adjust seasoning and serve.