Place the mushroom burger in the bread, and top with a tablespoon of hummus and a chunk of feta cheese right in the middle and cover with a piece of bread.
Salt and pepper, to taste. Sea salt, preferably gray sea salt, and freshly ground black pepper. Added a little mozzarella cheese on the top.
Place the mushroom burger in the bread, and top with a tablespoon of hummus and a chunk of feta cheese right in the middle and cover with a piece of bread.
You can add tomatoes or spinach on the top of the cheese put in the oven for about 30 minutes. You can even make this as large. Place both halves in a toaster oven and. I used cremini mushrooms (also known as baby portobello mushrooms), but pretty much any kind would work.