
Sauces
French mustard sauce
10 min4 serv.21 февр. 2026 г.
Description
To diversify your cooking and add a French touch, prepare a French mustard sauce. It is very tasty and, moreover, quick to make—ready in just 10 minutes. See the step-by-step recipe below.
Instructions
- 1
Step 1

Prepare the ingredients.
- 2
Step 2

Finely chop the onion and sauté in butter until soft.
- 3
Step 3

Add vinegar, mustard, and sour cream to the onions, season with salt, add sugar and black pepper, and simmer for 2–3 minutes over low heat. If the sauce is too thick, thin it slightly with milk.
- 4
Step 4

Transfer the mustard sauce to a sauce boat and serve warm.
- 5
Step 5

I used the sauce with a chicken cutlet; it perfectly complemented the neutral taste of the chicken with a pleasant creamy-mustard note.