1: In a large pot, add 1 tbsp of butter with chopped onions. Mix on medium heat until onions are cooked.
2: Add in your frozen veggies and chicken broth.
3: Add your chopped chicken, chicken broth, and cream of chicken. Reduce heat to low. Cover and simmer for 5 minutes, stirring occasionally.
4: On a lightly floured surface, roll each biscuit and cut into 1/2-inch-wide strips.
5: Drop strips, one at a time, into the boiling chicken mixture. Add carrots and celery.
6: Reduce heat to low. Cover and simmer for 15 to 20 minutes, stirring occasionally to prevent dumplings from sticking.