4 medium potatoes, peeled and cut into cubes
1 cup milk
1/4 cup cream
1/4 cup chopped onion
1 tbsp white wine
1 tbsp butter
Salt and pepper
Cook potatoes along with the milk, onion and butter for 20 minutes.
Liquefy the mixture and return to the heat.
Add the white wine, cream, salt and pepper.
Cook for 20 more minutes.