found this when searching the web..
This cookie is from her a Belgian great-grandmother.

Ingredients:
1 lb butter melted (half margarine is ok)
6 eggs
4 cups sugar (two cups white/two cups light brown)
1 t vanilla or rum flavoring
1 t baking powder
6 cups flour


Preparation:
Sift flour and baking powder and mix in rest of ingredients. Chill dough. Drop spoonfuls on a pre-heated iron. Hold over hot stove and bake on each side for 2-1/2 to 3 minutes.--------------------------------------------------------------------------------