How to stop a sauce from going lumpy, how to keep a sauce warm and how to stop a skin forming on top of a sauce.
If your sauce is lumpy, use an immersion blender to smooth out the sauce in the saucepan.
If you don’t have a stick blender, put the sauce in a stand blender or food processor and whizz with a little warm water. Return to the saucepan and reheat.
More sauce tips
How do you stop a sauce from going lumpy?
If you are adding liquid to a flour and butter base, it is safer to add it little by little rather than all at once, whisking or beating in between each addition. If you pour in the liquid all at once, you will get lumps. If you want to be brave or are a more experienced cook, you can pour all the milk in and beat the sauce vigorously over the heat. If the sauce becomes lumpy, whizz it in a blender or use a stick blender to smooth it out.
How do you keep a sauce warm?
Keep the sauce in a bain marie or in a bowl suspended over a saucepan of hot water. Make sure the water doesn’t touch the bottom of the bowl or the sauce could over-cook.
How do you stop a skin forming on top of a sauce?
Place a piece of cling film or moist parchment paper (moist side down) on top of the sauce until you are ready to use it.
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