We sift through the sweet and the sour of the creamy citrus dessert, but which ones are overloaded with additives and which are more generous with the juice?
• The best supermarket party cakes
Lemon cheesecake is traditionally made by whipping cream, cream cheese, sugar and lemon, then pouring that on to a base made from melted butter and crushed biscuits (butter, flour, oats, sugar), before putting it in the fridge to set. That’s eight ingredients max, yet the average for today’s store-bought versions is 24.
Every cake in today’s test falls firmly into the ultra-processed food category and typically contains at least five ingredients that aren’t found in domestic kitchens. Although real lemon juice or concentrate features in every one, lemon oil and acidity regulators are used to ensure that tart, lemony flavour.