Add chicken, cream of chicken soup, salt, pepper, and poultry seasoning to a bowl. Stir to combine. Divide equally into two oven-safe bowls.
In another bowl combine flour and butter. Cut butter into flour with a pastry blender or fork. Add milk and stir until combined. Spoon over chicken mixture and smooth top.
Bake at 400 degrees for 22 to 28 minutes until top is browned.