If you'd like to try THE BEST BEEF STROGANOFF in the world- please give this recipe a try. BEEF STROGANOFF Author: The Food Nanny Ingredients 2 Tablespoons Butter 1/2 Medium White Onion, chopped 2 pounds beef sirloin 1 pound mushrooms, sliced 2 cups beef broth 1 1/4 teaspoons salt 1 teaspoon ground nutmeg 1/2 teaspoon