Grilled King Oyster Mushrooms – 1 Carton of Gruger Family Fungi King Oyster Mushrooms– 2 tablespoons plum vinegar– 1 tablespoon olive oil– 1 tablespoon honey– freshly ground pepper1. In a small bowl, whisk together plum vinegar,2. olive oil, and honey3. Cut each mushroom into 1/4″ planks.4. Pour liquid mixture over mushrooms and toss until all the pieces are coated evenly.5. Grill about 1 minute on each side Sprinkle with pepper to taste. Serve immediately.