Directions

1. In a skillet over medium-high heat melt the butter.
2. Add the mushrooms to the skillet and cook until just cooked through. Remove the mushrooms from the skillet and set aside.
3. In a bowl mix together the ground beef, salt, pepper, oregano, and parsley.
4. Form the ground beef into six equal patties.
5. Cook the patties in the skillet over medium-high heat for 3 minutes on each side. Turn heat to low.
6. Spread 1 Tbs of tomato sauce on each hamburger.
7. Top each hamburger with 1 Tbs of mushrooms.
8. Sprinkle Mozzarella cheese on each hamburger.
9. Cover and cook another minute or until cooked through.
10. Serve on hamburger buns.