- In a large pot, boil chicken thighs in salted water for 1 hour. 
- Remove chicken, shred, and set aside. Reserve broth. 
- Add milk to the broth until it looks creamy. Bring to a soft boil. 
- Mix Bisquick dumpling dough according to biscuit recipe and double it. Add salt and pepper. 
- Drop dumplings by spoonfuls into the boiling broth. 
- Boil uncovered for 10 minutes. 
- Cover and simmer for another 10 minutes. 
- Stir in shredded chicken. Taste and season as needed. 
- Serve hot with extra black pepper.