1/2 teaspoon crushed red pepper flakes (add more if desired)
1 bay leaf
Kosher salt and freshly ground black pepper, to taste
2 teaspoons chopped fresh parsley leaves
Materials: 1 quart glass mason jar with lid and ring
Instructions
Trim mushroom stalks flush to the button and rinse off soil.
Bring a large saucepan of equal parts vinegar and salted water to a boil.
Add cleaned and dressed mushrooms to boiling mixture and cook for 3 minutes. Remove from liquid and put into ice water bath. Allow them to cool and then drain.
In a large bowl, combine mushrooms, olive oil, vinegar, red onion, red pepper, garlic, brown sugar, oregano, peppercorns, red pepper flakes and bay leaf; season with salt and pepper to taste.
Transfer to a mason jar container and place in refrigerator for at least 24 hours and consume within 7 days.
Serve chilled or at room temperature, garnished with parsley, if desired.