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Ingredients
- 2 tbsp butter
- 1/4 cup (30 g) all-purpose flour
- 2/3 cup (150 ml) milk
- 2/3 cup cooking liquid from corned beef
- 4 tsp white vinegar
- 2 tsp dry mustard
- 2 tsp sugar
- salt
- black pepper
Preparation
Step 1
Melt the butter in a saucepan. Add the flour and cook, stirring for 1 minute
Remove from the heat. Gradually blend in the milk and 2/3 cup (150 ml) of the cooking liquid from the beef.
Bring to a boil, stirring constantly until the sauce thickens. Simmer for 2 minutes.
In a bowl, combine mustard, vinegar, and sugar and stir into the sauce.
Cook for 1 minute, add salt and pepper to taste.