For the skillet
01 -
2 tablespoons olive oil
02 -
1 tablespoon unsalted butter
03 -
8 oz (225 g) cremini or button mushrooms, sliced 1/4-inch thick
04 -
1/2 small red onion, sliced
05 -
2 medium zucchini (about 12 oz / 340 g), halved lengthwise and sliced into half-moons
06 -
3 cloves garlic, minced
07 -
1 teaspoon Italian seasoning
08 -
Salt and black pepper
To finish
09 -
2 tablespoons grated Parmesan cheese
10 -
1 tablespoon chopped fresh parsley