Here's my recipe:
1 cup AP flour
1.5 tsp baking powder
1/2 cup milk
1.5 tbsp butter
1/2 tsp dried thyme (optional, of course -- I add it to mine when I make beef stew w/ dumplings)
salt & pepper to taste
Mix flour, baking powder, thyme, salt and pepper. Heat the milk and butter until simmering, pour into flour mixture. Stir with a fork until moist, then form into balls. Place the balls into the soup/stew and cook for 30 minutes.
This recipe makes 9-11 1.5" dumplings.