In a large pot on medium heat, melt butter and add onions, celery, carrots and shallots. Cook until lightly browned.
Add chicken broth, chicken pieces, salt, granulated onion and Poultry Seasoning. Cook on medium heat for 25 minutes, or until chicken is cooked and no longer pink. Remove and set aside. Shred once cool enough to handle.
Add in potatoes and corn and cook on medium - low for 20 minutes or until the potatoes are tender; add in chicken and cream. Once the cream is heated through add in cornstarch slurry. Repeat slurry if needed.
Taste and adjust seasonings if needed.
Dumplings: Mix together flour, baking powder and salt. Mix together butter and milk; and stir into flour to make the dough.
Bring the stew to a boil and drop by spoonful's into boiling stew. Reduce heat to medium - low Cover and simmer for 15 minutes without lifting the lid. Serve.