Drop dumplings couldn't be more simple, although are countless variations.
This is the recipe I typically use.

2 cups all-purpose flour
4 teaspoons baking powder
1/2 teaspoon salt
3/4 cup milk

MIx flour, baking powder, and salt in a mixing bowl. Add milk and stir to
make a soft dough. Add a little more milk or flour, if dough is too thin or
stiff. Drop dough from tablespoonfuls onto simmering stew. Cover stew tightly
and cook for about 15 minutes without removing cover.

--
Wayne Boatwright
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Give me a smart idiot over a stupid genius any day.
Sam Goldwyn, 1882-1974