PREPARATION:
- Heat oil in 12-inch nonstick skillet over medium-high heat. Add beef or pork; cook, stirring, until cooked through and lightly browned, 6 to 8 minutes.
- Add salt, pepper, cayenne and mushrooms. Cook, stirring, 5 minutes.
- Add water. Bring to a boil; reduce heat; simmer, covered, until meat is tender, about 25 minutes. Add 1/4 cup water, if needed, to prevent pan from boiling dry.
- Add sour cream, stirring until heated through. Do not boil.
- To serve: Divide noodles equally among 4 plates. Spoon stroganoff over noodles.
