Plan an experiment to see how acceptable low fat spreads are when making short-crust pastryPlan out how you will test and compare the low fat spreads

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                                                   OCR GCSE In

                    Home Economics

                           Josef Fleming                  

                                        Number 1058                                                                                                                          

                                    Bishop Challoner

                                             20027

                                                                                                             

                             

There is a wide range of low-fat spreads available and many can be used in recipes.

a) Plan an experiment to see how acceptable low fat spreads are when making short-crust pastry

Plan out how you will test and compare the low fat spreads

b) Carry out the test, making the batches of            pastry into an individual pie using a bought filling

c) Evaluate the use of low fat spreads in pastry making.

Fat research

From this table I have found that the healthiest spread to use is the low fat one, but it is not the easiest to make pastry with. The easiest to make pastry with is the lard and butter as it is hard and easy to rub into the flour however it is very unhealthy. They are high in saturated fats which are very bad for your health. Saturated fats increase the risk of heart disease as it raises blood cholesterol levels. Hydrogenated vegetable oil is also very bad for you as it increases the risk of coronary heart disease by increasing the blood cholesterol levels. Hydrogenated vegetable oil is the processing of pure vegetable oils – a good source of heart-friendly unsaturates – that creates harmful Trans fats! During manufacturing, these liquid oils have hydrogen bubbled through them in a process called hydrogenation to improve their texture, flavour and shelf life. The resulting product is a more solid fat, called hydrogenated fat or hydrogenated vegetable oil, which goes on to be used as an ingredient in many processed foods. The low fat spread is the healthiest spread to use as it contains the least amount of hydrogenated vegetable oil and saturated fats. However some people would still use the mix of butter and lard as it is the easier to use and not sticky like the margarine spreads

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Pastry Research

  • If These Aren’t followed, the pastry will come out wrong
  • You should use chilled water to make the pastry easy to handle
  • You should rest the pastry  because the gluten makes the pastry shrink if it’s too warm
  • You should use plain flour to avoid a cakey texture
  • Use hard margarine so that the pastry is easy to handle
  • Don’t knead as it forms gluten in the pastry
  • If the ingredients are too warm then the pastry will shrink

Ingredients

Equipment

  • Palette Knife
  • ...

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