Final answer:
To Mousseline a custard, whip cream to soft peaks and fold it into cooled custard to create a light and airy texture. This technique is commonly used in desserts.
Step-by-step explanation:
The procedure used to Mousseline a custard involves incorporating whipped cream into a basic custard to create a lighter, airier product. The main steps include:
- Preparing the custard base and allowing it to cool.
- Whipping cream to the soft peak stage.
- Gently folding the whipped cream into the cooled custard.
It's important to be gentle when folding to maintain the whipped cream's airiness. The mousseline can be used as a filling or topping for various desserts.