Directions
1.
Put the onion, wine, butter, 1/2 tsp salt, pepper ina saucepan and simmer, covered for 5 minutes.
2.
Remove the lid and cook until the wine becomes syrupy, then add the curry powder and flour.
3.
Cook for 3 minutes, stirring frequently, over low heat, then whisk in the stock all at once.
4.
Cook over low heat or in a double broiler, partially covered for 25 minutes.
5.
Puree, then return to the heat, stir in milk and cook until heated through. Add salt and pepper to taste.