Sprinkle flour over beef mixture and cook for 1-2 minutes, stirring often.
1/4 cup flour
Pour in beef broth and add uncooked egg noodles. Simmer for 20 minutes, stirring occasionally until noodles are cooked and sauce thickens. If it's too thick, add remaining beef broth to thin it out.
3 1/2 cups beef broth, 3 cups egg noodles
Beef and noodles will keep in an airtight container for 3-5 days in the fridge.