The Netherlands, Luxembourg and Belgium due to their proximity have some similar foods.  It is also noted here that in the Netherlands they speak Dutch; in Luxembourg they speak Luxembourgish, French and German and in Belguim they speak Flemish (Dutch), French and German:  The names of the dishes provided here may be different depending upon which part of the country the dish is prepared and nameds. 

For Example:  Bouneschlupp which is a soup with green beans, potatoes, smoked bacon and onions which is also served with potato pancakes.  Note: Also eaten in France, Belgium and Germany.

LINK to Luxembourg Recipe for Bouneschluupp

The soup is served with the below recipe:
LINK to Gromperekichelcher Recipe aka Potato Pancakes In the Netherlands they eat a meat pie called  vleespastei and in Luxembourg and Belgium they call them pate gaumais.

LINK to Recipe for Pate Gaumais from Belgium
All three countries have their own special rye breads.
In Holland it is called Roggebrood.In Luxembourg it is called Brout.In Belgium it is called Brot (German), Pain de Seigle (French) or Roggebrood (Belgian Dutch) depending on what part of that country you are in. (Served with Snert or a traditional Dutch soup made with split peas, vegetables, and pork.) 

LINK to Dutch Roggebrood Recipe
LINK to Snert or Ertwensoep Recipe
In the Netherlands sausage is called Fikandellen.In Luxembourg sausage is called Traipen, Worst and Wurst.In Be...