The ingredients of McVitie’s Jaffa Cakes include glucose-fructose syrup, dark chocolate (19%), which is made from sugar, cocoa mass, vegetable fats (such as palm and shea), butter oil (milk), cocoa butter, emulsifiers (soya lecithin and E476), and natural flavoring. The sponge base consists of wheat flour, whole egg, water, dextrose, and concentrated orange juice, along with vegetable oils (sunflower and palm). Other ingredients include humectant (glycerine), citric acid, gelling agent (pectin), raising agents (such as disodium diphosphate and ammonium bicarbonate), dried whole egg, and acidity regulator (sodium citrates). The product also contains curcumin for coloring and natural orange flavoring.

In terms of allergen information, McVitie’s Jaffa Cakes contain eggs, milk, soya, and wheat (gluten). Therefore, they are unsuitable for individuals with allergies to these ingredients.