What you need:
- 4 leftover hamburgers
 - 3 T flour
 - 2 T butter
 - 1 cup beef broth
 - 1 onion
 - 2 cans sliced mushrooms
 - 1 T worcestershire sauce
 
- Melt butter in pan.
 - Add in chopped onion and let cook until the soften.
 - Add in flour and cook 3 minutes.
 - Mix in broth, mushrooms and worcestershire sauce.
 - Place hamburger patties in the gravy.
 - Cook on med-low until everything is combined.
 


