Onion Sauce

This easy onion sauce recipe can be whipped up in no time. It makes a great addition to all sorts of dishes, from meatballs to potatoes, and fish. It’s a simpler version of the classic French soubise, creating a light, tasty sauce that feels sophisticated and elegant. Try it out and make it part of your repertoire whenever you need a reliable and versatile sauce.
Ingredients
1
Chopped white onion
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50 ml
Water
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350 ml
Creme fraiche
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½ tsp
Coarse salt
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1 pinch
Pepper
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Instructions
Step 1
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Step 3
Step 4
Onion sauce FAQs
How do you make an easy onion sauce?
Just follow our recipe above for a quick and easy onion sauce. While the classic French onion sauce uses bechamel as a base, our recipe swaps this for crème fraiche for a much lighter sauce.
What is onion sauce used for?
Onion sauce goes beautifully with so many dishes, from roast chicken, pork or fish, to meatballs, vegetables and more. You could also use it as a sauce for pasta.
How do you make onion sauce for a lamb roast?
Simply follow our recipe for an easy onion sauce that’s light and creamy. If you want a darker, gravy-like onion sauce, gently sauté the onions until brown before adding a little flour along with stock and seasoning. Cook until the sauce has thickened to your liking.
How do you make onion bread sauce?
To make the classic bread sauce, simmer milk with an onion, cloves, pepper and any other flavours you like. The milk is then strained and returned to the pan before adding breadcrumbs and cooking for a few minutes longer. You can then add some nutmeg and stir through some cream before serving.
A classic French sauce
Onion sauce has many variations and origins, but the classic is soubise. It can be found in the seminal work of August Escoffier, who defined the five mother sauces of French cuisine (hollandaise, for example). Soubise is a combination of bechamel and butter-cooked onions, although today, bechamel is usually replaced with cream for a lighter consistency and flavour. Classic French sauces suit many dishes and can be easily adapted to taste.
What to serve with onion sauce
This easy onion sauce recipe can be used for so many dishes. Pour it over roast chicken breast or grilled pork or serve it alongside any kind of fish. It’s also a great sauce for meatballs, served with rice or noodles. You could even grate some cheese into the sauce and use it to enhance cooked veg or potatoes.
How to store onion sauce
If you have leftover sauce, it can be stored in the fridge for a couple of days. When you’re ready to use it again, gently reheat in a saucepan. Stir it occasionally to evenly distribute the heat and prevent it from sticking.
