1Heat 1 Tbsp. oil in medium skillet over medium high heat til shimmering. Add chicken and sauté 4 minutes per side. Transfer chicken to a plate and tent with foil to keep warm. Heat remaining 1 Tbsp. oil in same skillet over medium
Add mushrooms and cook 2 to 3 minutes. Stir in flour and garlic; cook, stirring constantly, about 1 minute.
2Deglaze skillet with sherry and reduce til nearly evaporated. Whisk in broth and bring to a boil. Reduce heat to a simmer and cook til thickened, 3 to 4 minutes. Stir in peas and simmer 2 minutes. Stir in lemon juice, then season with salt and pepper. Serve sauce over chicken. Serves 2