Course Side Dish
Cuisine American, Southern
Keyword mushroom-onion-gratin, portabella-mushrooms, vidalia-onion-recipes
Prep Time 20 minutes minutes
Cook Time 30 minutes minutes
Resting Time 5 minutes minutes
Total Time 50 minutes minutes
For this dish I purposely chose Muenster cheese for its saltiness. Gruyere cheese also works beautifully. Feel free to adapt using your favorite cheese in this dish.