Under The Rainbow Cake

Under The Rainbow Cake by Marks And Spencer has 476 kcal per 100 g. One serving (78 g) is about 371 kcal.

Under The Rainbow Cake contains 2.6 g of protein per 100 g — about 2 g per 78 g serving.

Yes — 43.1 g of sugar per 100 g, roughly 11 teaspoons. Sugar makes up 70% of its carbohydrates.

It has 14.6 g of saturated fat per 100 g — 73% of the daily value, which counts as high.

Yes — just 0.6 mg per 100 g (0% of the daily value), which qualifies as low sodium.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (476 kcal), sugar (43.1 g), saturated fat (14.6 g). Overall that places it in band E.

About 21 g of Under The Rainbow Cake equals 100 kcal. It is energy-dense, so small amounts add up quickly.

Yes — 476 kcal per 100 g makes it calorie-dense; a 50 g portion is already about 238 kcal.