How to Make White Sauce in the Microwave

This is an easy, microwave, no-fail recipe for white sauce. You don't need to measure the ingredients too closely.

Ingredients

1
Heat a pat of butter in the heatproof jug/bowl for one minute until melted - 50 g or so will make about a litre of sauce.^{[1]
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2
Remove from microwave and add enough flour to make a paste like peanut butter consistency. The ratio of butter to flour should be 1 to 1; 50 g flour to 50 g butter.^{[2]
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3
Return to the microwave and cook in one minute intervals, stirring with the whisk, until the flour/butter mix resembles coarse sand - this is important. At this point, you have created a roux.^{[3]
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4
Stir in about a quarter of the milk - don't worry about the lumps, just give it a good stir.^{[4]
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5
Return to the microwave and cook for one minute intervals until you get a thick, probably lumpy paste. Give it a really good whisk at this stage to break up the lumps.^{[5]
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6
Add a little milk then give it another good whisk, repeat until all of the milk is added.
7
Return to the microwave and cook in one minute intervals, whisking in between, until the sauce actually boils - it must boil or it will taste floury.
8
Add a little more milk to make it thinner if necessary.
9
Finished.