Food preservation experiments

To be conducted over 2 lessons. Working with instant custard powder, custard powder made with milk, apples, runner beans, banana. 1). Custard:-cooking and chilling, cooking and freezing. 2). Apples and runner beans:- to blanch or not before freezing. 3). Bananas:- can you freeze a whole banana? Can you freeze raw slices? Discuss:- enzymic browning, blanching, modified starch, ice is bigger than water! Also includes a 5 minute video from CBS News all about freezing food.

Last updated 26 March 2012, created 11 August 2011
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