Sauce Batarde - cooking recipe

Ingredients

3 tablespoons butter
4 tablespoons flour
2 cups water
3 egg yolks
1/3 cup milk
1 teaspoon lemon juice
salt and pepper

Preparation

Melt the butter in the saucepan and add flour, making a roux. Cook for 1-2 minutes then add the water. Bring to a boil and cook for 5 more minutes.
Beat the egg yolks and the milk. Combine with the first mixture, beating constantly with a whisk. Season to taste.
Strain the sauce through a very fine sieve or several layers of cheesecloth. Add lemon juice just before serving.