In a large skillet over medium-high heat, cook the ground beef and onion until the beef is browned and the onion is softened. Drain off any excess fat.
Stir in the cream of mushroom soup, sour cream, mushrooms, garlic powder, onion powder, black pepper, and paprika. Cook until heated through.
In a large bowl, mix together the cooked egg noodles and the beef mixture. Pour into a 9x13-inch baking dish.
Sprinkle the top with the shredded cheese.
Bake in preheated oven for 25 minutes, or until the cheese is melted and bubbly.
Interesting Facts
The original stroganoff recipe was created in a Russian cookbook and was made with beef, mushrooms, and mustard.
The dish is named after the Russian diplomat Count Pavel Alexandrovich Stroganov.
Beef Stroganoff is a popular dish in many countries, with variations of the recipe being made around the world.