To Poach Chicken: Place chicken tenders (or chicken breasts) in a saucepan with 2 cups of chicken stock, ½ teaspoon salt and ½ teaspoon ground pepper.Simmer, covered, for 15-20 minutes or until cooked through.Allow to cool.Chop chicken to be used in soup.To Make Soup: Melt butter in a dutch oven or large stock pot.Stir in the onion, celery and carrot and sauté for 7-10 minutes or until soft.Add the flour and stir until mixed in.Slowly add 6 cups of chicken stock, stir continuously while adding.Bring to a boil, then reduce heat and allow to simmer.Add the rice, chicken, 1½ teaspoons salt, curry powder, mustard powder, parsley, ½ teaspoon ground pepper, almonds and sherry.Add the half-and-half.Simmer for 1-2 hours until all flavors have melded.Serve and enjoy!Note: If reheating, you may need to add a small amount of stock to thin the soup, it does thicken upon cooling.