- 1 tablespoon unsalted butter
- 2 tablespoons olive oil
- 1 cup chopped Portobello mushrooms
- 2 teaspoons dried oregano
- 1 teaspoon garlic powder
- 1 teaspoon steak seasoning rub (optional)
- Heat butter and olive oil in a skillet over medium heat. Stir mushrooms in the oil and butter until well coated. Sprinkle oregano, garlic powder, and steak seasoning on mushrooms; stir to coat. Cook and stir mushrooms until lightly browned, about 5 minutes.