Rinse the chicken pieces; pat dry with paper toweling. Season chicken with salt and pepper. In skillet brown chicken in butter 15 minutes, turning to brown evenly. Add the 1 cup whiskey to skillet; cover and simmer 30 to 35 min or til chicken is tender. remove chicken to serving paltter and keep warm. For sauce: Skim fat from pan juices. Add enough water to juices, if necessary, to measure 2/3 c liquid. Return to skillet. Stir in mushrooms and green onions. Cook and stir just until onions are tender. Combine cream and flour; add to mixture in skillet. Cook and stir until thick and bubbly. Cook and stir one minute more. Remove from heat; stir in lemon juice and the 2 teas. whiskey. Spoon over chicken. Serve with cooked peas and leeks if desired.