Wash and dry Four Large Portabella Mushrooms. Score the top surface about 1/16 deep about every ⅓ inch.
In a large Ziploc bag place:
2 teaspoons garlic powder
⅓ cup olive oil
salt and pepper to taste
Marinade mushrooms for up to an hour before grilling.
Add lettuce and chopped tomatoes for a complete filling dinner.
Instructions
On a grill that has been heated for 15 minutes cook mushrooms gill side down with top covered/shut for 4 to 6 minutes or until it is soft. Then flip it over and add 2 tablespoons ricotta cheese to each mushroom and spread over the mushroom surface surface. Cook another 2 minutes with top of grill down. Move mushrooms to top warming rack of grill to rest and keep warm while you grill the hamburgers to your preference.
Recipe by Table for Fifty at https://tableforfifty.com/portabella-mushroom/