Cook frozen biscuits per package directions. Set aside.
Place stock, half-and-half, flour and poultry seasoning in a large sealable jar and shake until combined.
Cook onions and carrots in the butter in a large saucepan over medium heat until soft. Slowly whisk in the stock mixture and bring to a boil. Reduce heat and cook, stirring frequently, until thickened.
Stir in shredded chicken, peas and parsley. cook for about 5 minutes then season to taste with salt and pepper.
Serve in a bowl topped with a biscuit.
Notes
If you're not in the US or Canada and cannot find "poultry seasoning," you can find the recipe here.