Savory Beef Roast with Mushrooms
- 4 tablespoons olive oil, divided
- 3-4 pound rib eye roast, room temperature
- Salt and freshly ground pepper
- 1/4 cup chopped fresh rosemary
- 1/4 cup chopped garlic
- Salt and freshly ground pepper
- 4 tablespoons butter divided
- 4 cups of local mushrooms, sliced
- 1 cup of beef stock