- Food Trivia: Belgian French Fries : Belgian '"Frites" or French Fries are probably the best in the world. They are prepared with utmost care and usually fried in at least two or even three stages to obtain their typical crispness and flavour. "Frites" is the number one snack in Brussels or the whole of Belgium. All around are chip stalls selling the most delicious hot chips, french fries, fries, frites which can be bought either with or without mayonnaise. This snack is mostly served in a cone-shaped bag.