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4
Easy
Published 2012
Look: do this ‘au bain marie’ in a bowl on top of a pan of gently boiling water. Make sure that the bowl doesn’t touch the water, though.
Beat until the mixture is as thick as yogurt.
Take the bowl off the heat, then whisk in 5 tbsp (75 g) cold butter in small chunks.
Let it cool completely, then put in the fridge, until it’s really cold.
