Preparation Combine chicken, giblets, broth and bay leaf in large pot. Cover partially; simmer until chicken is just cooked through, rearranging chicken occasionally, about 25 minutes. Transfer chicken to large bowl. Simmer broth over medium-high heat until reduced to 2 1/2 cups liquid, about 15 minutes. Strain broth; discard solids. Remove skin and bones from chicken pieces. Tear meat into bite-size pieces; transfer to bowl. Melt butter in heavy medium saucepan over medium heat. Add bell pepper, onion and thyme. Sauté until onion is tender, about 5 minutes. Add mushrooms. Cook until mushrooms are tender, about 7 minutes. Reduce heat to medium-low. Sprinkle vegetables with flour; saut) 2 minutes. Gradually whisk in reduced broth. Add mixed vegetables. Simmer until broth thickens, stirring occasionally, about 5 minutes. Remove from heat. Stir chicken and cream into sauce; season with salt and pepper. (Can be made 1 day ahead. Cool slightly. Cover and refrigerate. Rewarm before continuing.) Position rack in top third of oven; preheat to 450°F. Divide chicken mixture among six 1 3/4-cup individual casserole dishes or soufflé dishes. Place 1 unbaked 3-inch square of biscuit dough over each. Bake until filling is bubbling and biscuits are puffed and brown, about 12 minutes. Let stand 5 minutes before serving.
Preparation Combine chicken, giblets, broth and bay leaf in large pot. Cover partially; simmer until chicken is just cooked through, rearranging chicken occasionally, about 25 minutes. Transfer chicken to large bowl. Simmer broth over medium-high heat until reduced to 2 1/2 cups liquid, about 15 minutes. Strain broth; discard solids. Remove skin and bones from chicken pieces. Tear meat into bite-size pieces; transfer to bowl. Melt butter in heavy medium saucepan over medium heat. Add bell pepper, onion and thyme. Sauté until onion is tender, about 5 minutes. Add mushrooms. Cook until mushrooms are tender, about 7 minutes. Reduce heat to medium-low. Sprinkle vegetables with flour; saut) 2 minutes. Gradually whisk in reduced broth. Add mixed vegetables. Simmer until broth thickens, stirring occasionally, about 5 minutes. Remove from heat. Stir chicken and cream into sauce; season with salt and pepper. (Can be made 1 day ahead. Cool slightly. Cover and refrigerate. Rewarm before continuing.) Position rack in top third of oven; preheat to 450°F. Divide chicken mixture among six 1 3/4-cup individual casserole dishes or soufflé dishes. Place 1 unbaked 3-inch square of biscuit dough over each. Bake until filling is bubbling and biscuits are puffed and brown, about 12 minutes. Let stand 5 minutes before serving.