Dumplings for soup

1 c all-purpose flour
2 t baking powder
1 t white sugar 
½ t salt
1 T margarine
½ c milk

Stir together flour, baking powder, sugar, and salt in medium size bowl. Cut in butter until crumbly. Stir in milk to make a soft dough.  Drop by small spoonfuls into boiling stew. Cover and simmer 15 minutes without lifting lid.