½cupItalian cheese blend(a blend with any or all of the following: mozzarella, provolone, parmesan, asiago, and Romano cheeses)
1largeegg, beaten
Instructions
Wash and dry mushrooms.
Remove the stems from mushrooms by pushing the stems to the side to break them out. If stems are short, run a knife around the stem to cut it loose and then pull it out. Most mushroom stems break out easily, but take care not to break the caps.
Finely chop the mushroom stems.
Brush the mushroom caps on the outside and inside with olive oil. Use more oil if necessary. The mushrooms will absorb the oil.
Preheat the oven to 350°F.
In a skillet, melt the butter and add the mushroom stems, walnuts, garlic, and salt. Sauté for 3 to 4 minutes. Remove from the heat and transfer to a mixing bowl. Stir in the stuffing, crushing any large chunks.
Add the cheese and egg and stir to combine.
Spoon the mixture into the mushroom caps, packing it above the cap and patting it so that it sticks together.
Bake for 13 to 15 minutes or until the mushrooms are lightly browned. Serve warm.