There are some big differences between USDA values and EU ones for some vegetables - one I remember is for leeks:
usda (per 100g)
61 kcal, 14.2g carbohydrates, fibre 1.8g, sugars 3.9g, protein 1.5g
Tesco uk (per 100g)
27kcal, 2.9g carbohydrates, fibre 2.2g, sugars 2.2g, protein 1.6g
As you...