To explore new ways of keeping track of healthy eating, I designed a shopping receipt that includes a summary of calories, fat, saturated fat, salt and sugar. When you pay for your shopping you enter how many days and how many adults or children the food is for. The receipt tells you what percentage of your guideline daily allowance is covered by your purchases. This example shows someone who has bought three days’ food for an adult woman. The food is low on sugar, but has too much saturated fat.
To investigate the problems of convenience food, I purchased a ready meal, cooked a homemade version, and compared time, price, ingredients, taste, and nutritional value. Sainsbury’s Basics Macaroni Cheese cost 75p and took 4.5 minutes to heat up in the microwave. It took five times longer to make macaroni cheese from scratch, and I had more washing up to do, but it cost 30% less and tasted better. The ready meal contained unexpected ingredients – water, cornflour, and rapeseed oil – and had 40% more salt, even though it was a smaller portion.
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