Varied & Balanced Diet (AQA GCSE Food Preparation & Nutrition)

Revision Note

Cara Head

Written by: Cara Head

Reviewed by: Lára Marie McIvor

Making informed choices for a varied & balanced diet

  • To achieve a balanced diet, each person must consume a variety of different food types to gain all the different required nutrients

  • No single food contains all the nutrients required by the human body

  • Governments produce guidance on the current recommendations for eating healthily and achieving a balanced diet

  • In the UK this is called the Eatwell Guide

    • It is recommended that:

      • Five portions of fruit and vegetables are eaten daily

      • Wholegrain and high-fibre foods are chosen

      • Unsaturated oils are chosen and small quantities consumed

      • Low-fat and low-sugar dairy options are chosen

      • More beans and pulses should be eaten

      • Two portions of sustainably sourced fish should be eaten

      • Less red and processed meat is consumed

      • Foods high in sugar, salt and fat should be consumed infrequently

      • Six to eight glasses of water (or equivalents such as tea) should be drunk every day

A pie chart showing the recommended proportions of food for a balanced diet.
A balanced diet, also known as the Eatwell plate, shows the approximate proportions of different food types that make up a balanced diet

Meal planning

  • When planning meals it is important to take into consideration:

    • portion size

    • cost of food

Portion size

  • This will be dependent on the person/people eating the meals and their dietary requirements, lifestyle, physical activities and age

  • Large portion sizes encourage people to overeat and this can lead to weight gain and obesity

  • Too small portion sizes may lead to underfeeding people, this is particularly concerning for young children where nutrient deficiencies could be harmful

  • Guidelines given on food packets should be followed when cooking food

  • Roughly a portion of cooked vegetables the size of your fist should be eaten and meat the size of your palm

Cost of food

  • When planning meals, the cost of food needs to be accounted for

  • This will be different for individuals and families depending on their income, financial situation and budgets

  • Healthier foods, like fresh fruits and vegetables and lean cuts of meat, tend to be more expensive

  • The person planning meals (and the person paying for the food) needs to take into consideration whether it is cheaper to buy individual ingredients to prepare a meal from scratch or whether buying a ready-made meal is more cost-effective

  • Ingredients can be sourced from a range of shops and local markets to keep costs low, price-comparison websites can also be used

  • Many ingredients can be purchased to be used in numerous recipes e.g. a roast chicken may be used for a roast dinner, the leftovers used for sandwich fillings and the bones used to make a stock for soups and gravies

  • It is important to plan meals so less food is wasted which can impact the cost of food

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Cara Head

Author: Cara Head

Expertise: Biology Content Creator

Cara graduated from the University of Exeter in 2005 with a degree in Biological Sciences. She has fifteen years of experience teaching the Sciences at KS3 to KS5, and Psychology at A-Level. Cara has taught in a range of secondary schools across the South West of England before joining the team at SME. Cara is passionate about Biology and creating resources that bring the subject alive and deepen students' understanding

Lára Marie McIvor

Author: Lára Marie McIvor

Expertise: Biology Lead

Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.