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Method
Make it happen
- 01
Melt the butter in a saucepan and gently sweat the leeks and onion for 8 minutes, stirring so they soften without browning.
- 02
Add the potatoes and stock, bring to a simmer and cook for 18–20 minutes until the potatoes break apart with a fork.
- 03
Blend until velvety, stir in the milk and warm gently; do not boil vigorously after adding milk.
- 04
Season with black pepper and serve with chopped chives over the top.