Many popular brands are packed with refined carbs, unhealthy fats, added sugars, and artificial ingredients—making them far from the healthy option they appear to be. Below are some of the worst ...

150g/5½oz unsalted butter, at room temperature 175g/6oz golden caster sugar 1 medium egg, lightly beaten 175g/6oz plain flour ½ teaspoon bicarbonate of soda ½ teaspoon ground cinnamon pinch ...