technology education

38

Family and LifeStyle

DRAFT

July 2009

Contents

Page

7 Food Preparation Technology
7.1 Food preparation techniques

2

7.2 Time- and labour-saving devices

2

7.2.1 Electric beaters

3

7.2.2 Mincers

3

7.2.3 Liquidisers

3

7.2.4 Blenders

4

7.2.5 Mixers

4

7.2.6 Food processors

4

7.2.7 Ice-cream makers

5

7.3 Food cooking processes

5

7.3.1 Scientific principles and types of heat transference 5

7.3.2 Cooking methods

8

7.3.3 Cooking Devices

14

7.3.4 Industrial devices

18
Food Preparation Technology

1

DRAFT

July 2009

7 Food Preparation Technology
7.1 Food preparation techniques
When preparing food, different food preparation skills and techniques are involved.
e.g. cutting, dough making, pastry making, cake making. The following table shows the basic food preparation techniques.
Table 7.1 shows the basic and advanced food preparation techniques
Advanced food preparation techniques
Basic food preparation techniques by with the use of time- and labour-saving hand devices
Different blades in the food processor can
Cutting, shredding, slicing, dicing, do different jobs. e.g. chopping blade, mincing, chopping, crushing, peeling and slicing blade, meat grinder, sausage coring stuffer, juice extractor
Criss cross cut

Deboning with automatic deboners

Roll cut
Shredding

Shredding with automatic food shredder

Grating

Grating with industrial graters for large production Mixing
Extruding the dough into thick sheets
Chinese dough making by using rice flour, for making pasta and wrappings for glutinous rice flour, tang flour dumplings Pastry making: short crust pastry, puff
Pastry making pastry, flaky pastry and choux pastry
Cake making: whisking method, creaming method, rubbing-in method and melting Cake decoration, piping method 7.2 Time- and labour-saving devices
Apart from using kitchen utensils, time- and