French Mustard Sauce

20 g butter
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1 shallots / onions

3 tablespoons sour cream (with gorochkoy)

1 tablespoons vinegar / 1 tsp table

1-2 tsp mustard

milk

sugar

black pepper

salt

Onions cleaned, cut into medium-sized, melt the butter in a frying pan, put the onion, fry until tender.

Pour the vinegar to the onions, put mustard, sour cream and mix, if the sauce is too thick - pour a little milk, pepper sauce and salt, to taste - add sugar if the sauce has a slightly sour taste.

Cooking French mustard sauce in a pan for 2-3 minutes.

This sauce is perfect with white meat, vegetables and a variety of dishes.