The importance of fat
The fats in ice cream mainly come from:
- egg yolk
But it is important to know that your couverture also contains fats (cocoa butter/milk fats in whole milk powder).
The 3 main features of fats in ice cream:
- Creating a firm body
- Producing a creamy texture
- Realising a velvety mouthfeel
Too much fat will make your ice cream too greasy, too consistent and warm to the palate. Too little fat will result in non-creamy ice cream that is cold to the palate.
The main functions of fats:
- Create structure: fats cr ystallise at cold temperature and therefore affect the texture of your ice cream, making it soft, creamy, delicate and shiny. Note: fats play an impor tant roll during the churning phase at – 5°C, because they prevent ice cr ystals from expanding.
- Act as a stabiliser: fats have the ability to form air bubbles and infuse the ice cream mixture with them by reducing the sur face tension between air and water.
- Convey flavour: fats absorb and retain the aromas in your ice cream mixture.
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