Big John's B B Q Portabella Mushrooms
DirectionsMix butter, garlic, onion, soy sauce and parmesan cheese.
Heat for 30 seconds on high in microwave, stir after 15 seconds.
Chop stems from mushrooms and add to mix.
Drizzle sauce onto overturned mushrooms.
Sprinkle mozzarella over mushrooms, and place on top rack in BBQ.
Check after 15- 20 minute.
If mushrooms are tender and cheese is melted, remove from heat.