In a large pot, combine broth, carrots, celery, onion, garlic, thyme, and soy sauce (if using).
Bring to a gentle boil, then reduce heat to simmer for 10 minutes until vegetables are tender.
Step 2 – Make the Dumpling Dough
In a medium bowl, whisk together flour, baking powder, and salt.
Stir in milk and melted butter until a soft dough forms.
Step 3 – Cook the Dumplings
Using a spoon, drop small portions of dough into the simmering broth.
Cover and simmer for 10–12 minutes, until dumplings are cooked through and fluffy.
Step 4 – Add Protein (Optional)
Stir in cooked chicken or meat pieces for extra heartiness.
Taste and adjust seasoning with salt and pepper.
Serving and Storage Tips
