1. Heat a large skillet over medium-high heat. Add 1 teaspoon oil; swirl to coat. Add mushrooms and 1/4 teaspoon salt; sauté 8 minutes. Add Marsala; cook 1 minute, scraping pan to loosen browned bits. Add stock; bring to a boil, and cook 2 minutes. Remove pan from heat; stir in cream and 1/8 teaspoon pepper.
2. Sprinkle cutlets with remaining 1/4 teaspoon salt and remaining 1/4 teaspoon pepper. Heat a large heavy skillet over medium-high heat. Add remaining 2 teaspoons oil to pan; swirl to coat. Add cutlets; cook 2 to 3 minutes on each side or until done. Place 1 cutlet on each of 4 plates; top each serving with about 1/2 cup mushroom mixture.