Energy balance explores the relationship between food intake and physical activity, focusing on how individuals maintain a healthy body weight throughout life. It covers the calculation of energy requirements, the sources of energy in the diet, and the factors influencing these needs.
Sauces are a fundamental component of culinary arts, serving to enhance flavour, moisture, and visual appeal of dishes. In the OCR GCSE Food Preparation and Nutrition curriculum, sauces are studied as both a technical skill and a scientific process. Understanding how to make a range of sauces—from roux-based to emulsion and reduction sauces—demonstrates mastery of key cooking techniques such as gelatinisation, emulsification, and thickening. This topic also links to food science principles, including the role of starch, fat, and acid in sauce stability and texture.
Sauces are classified into two main categories: pour sauces (e.g., cheese sauce, gravy) and coating sauces (e.g., béchamel, velouté). Students must learn the methods for making each type, including the all-in-one method, the roux method, and the blending method. Additionally, understanding how to adjust consistency, correct common faults (like lumps or separation), and store sauces safely is essential for both practical exams and written assessments. Mastery of sauces also supports the development of more complex dishes, as sauces often form the base for soups, casseroles, and pasta dishes.
In the wider context of food preparation and nutrition, sauces allow students to apply knowledge of heat transfer, protein denaturation, and starch gelatinisation. They also provide opportunities to explore cultural variations, such as the use of soy sauce in Asian cuisine or hollandaise in French cooking. By the end of this topic, students should be able to independently prepare a range of sauces, evaluate their quality, and suggest improvements—skills that are directly assessed in the non-exam assessment (NEA) tasks.
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