Whisk flour, baking powder, and salt in a large bowl.

Cut in shortening with a fork or pastry cutter until coarse crumbs form.

Stir in milk just until dough forms; do not overmix. Rest 10 minutes.

Bring broth, butter, poultry seasoning, and pepper to a gentle boil in a large pot.

Drop rounded tablespoonfuls of dough into simmering broth.

Cover; reduce heat to low and cook 15-20 minutes without lifting lid.

Serve hot in bowls with plenty of broth.