- 1 (6 ounce) package button mushrooms, stemmed
- 1 tablespoon olive oil, or as needed
- 1/3 cup crumbled blue cheese
- 2 tablespoons butter
- 2 cloves garlic, minced
- 1 tablespoon chopped fresh basil
- salt and ground black pepper to taste
- Coat tops of mushrooms with olive oil. Place mushrooms top-down in a grill-safe dish.
- Mix blue cheese, butter, garlic, basil, salt, and pepper thoroughly in a bowl. Scoop evenly into the mushroom caps.
- Preheat an outdoor grill for medium-high heat and lightly oil the grate. Cook mushrooms until tender and heated through, about 5 minutes.