Creamy mustard sauce
A warm mustard sauce, thickened with flour and butter, perfect for serving with fish, vegetables, or meat. Ready in just 15 minutes.
This quick mustard sauce, made with a light roux, can be prepared in just a few minutes. It pairs well with fish, vegetables, and grilled meats.
Ingredients and directions
- Prep time5 min
- Cook time10 min
- Total15 min
- DifficultyEasy
- CostBudget
- Cooking methodCooking in a saucepan
- Estimated cost$2.25 $0.56 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 15, 2026.
- Vegetarian
Ingredients
people
- $0.28
- $0.05
- $1.39
- $0.12
- $0.03
- $0.27
- $0.11
Prices from US supermarkets for 6 of 7 ingredients; Belgian prices for the rest.
Directions
- Melt the butter in a saucepan and then add the flour, stirring constantly.
- Gradually add some of the milk or broth, mixing until a smooth mixture forms. Continue adding until all the liquid is absorbed, being careful not to form lumps.
- Let the sauce simmer for about 3 minutes, stirring constantly.
- Remove from the heat, add the mustard, then season with salt, pepper, and vinegar or lemon juice. ≈ 2 min
The bill
Creamy mustard sauce
- 30 g of butter$0.28
- 30 g of flour$0.05
- 50 cl of milk or broth$1.39
- 1 to 2 tablespoons of mustard$0.12
- salt$0.03
- pepper$0.27
- Vinegar or lemon juice$0.11
Total$2.25
that's $0.56 per person
Estimated price; varies by store.
🎬 Have a video of this recipe? Suggest a YouTube link
✏️ A mistake, an idea for this recipe? Suggest a correction
Reviews (0)
Rate this recipe Be the first to rate it!
Have you tried this recipe? Sign in to leave your review and rating.
You need to be a member to suggest a correction. Sign up for free, or sign in: you will then be able to report a mistake or suggest an improvement, and Axelle will read it.
Create a free account Sign in
You will come straight back to this recipe afterwards.