For the mushrooms
01 -
1 1/2 lb (680 g) cremini or baby bella mushrooms, cleaned and halved or quartered
02 -
2 tablespoons olive oil
03 -
3 tablespoons unsalted butter, divided
04 -
3/4 teaspoon kosher salt, plus more to taste
05 -
1/2 teaspoon black pepper
For the garlic parmesan sauce
06 -
4 cloves garlic, minced
07 -
1 cup (240 ml) heavy cream
08 -
1/2 cup (50 g) freshly grated parmesan cheese, plus more for serving
09 -
1/4 teaspoon red pepper flakes, optional
10 -
2 tablespoons chopped fresh parsley