Tartiflette

Tartiflette by U has 160 kcal per 100 g. One serving (300 g) is about 480 kcal.

Tartiflette contains 5.9 g of protein per 100 g — about 17.7 g per 300 g serving.

Yes — only 1.7 g of sugar per 100 g. Most of its 9.1 g of carbs come from starch and fiber rather than sugar.

It has 6.3 g of saturated fat per 100 g — 32% of the daily value, which counts as high.

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from saturated fat (6.3 g). Overall that places it in band C.

About 62 g of Tartiflette equals 100 kcal.

Per 100 g it has 1.7 g sugar and 10.8 g fat (6.3 g saturated). Fat provides 62% of its calories, so portion size matters most here.