1poundmushrooms,wild oysters, chanterelles, morels, or cremini, cleaned and cut into bite-sized pieces (larger mushrooms can be quartered or cut into 1-inch pieces)
½cupred onionthinly sliced
2garlic clovesthinly sliced
2bay leaves
2thyme sprigs
1sprig rosemary
1teaspoonblack peppercorns
2cupswater
1cupraw apple cider vinegar
½cupsugar
1 ½tablespoonscoarse kosher salt
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Instructions
Make the brine
Add the water, apple cider vinegar, sugar, kosher salt, red onion, garlic, bay leaves, thyme, rosemary, and black peppercorns to a medium-sized pot. Bring to a boil over medium-high heat, then reduce the heat to a gentle simmer. Stir until the sugar and salt are dissolved.
Simmer the mushrooms
Add the mushrooms to the pot and stir to incorporate. Simmer for 5 minutes, just until the mushrooms are slightly softened but still meaty.
Cool slightly
Remove the pot from the heat and let the mixture cool briefly so that it is safe to handle.
Pack the jar
Using tongs or a slotted spoon, transfer the mushrooms, onions, garlic, and herbs into a clean quart-sized jar or glass bowl. Pour in enough brine to fully cover the mushrooms. Reserve any leftover unused brine for salad dressings or marinades.
Chill
Let the mixture cool to room temperature, then cover with a lid or plastic wrap and refrigerate.
Refrigerate and serve
Allow the pickled mushrooms to marinate in the refrigerator for at least 3 days before eating to let the flavors develop. Enjoy within 3 weeks, keeping the mushrooms submerged in brine and refrigerated at all times.
NOTES
Wild oyster mushrooms are my first choice, but chanterelles, morels, or cremini all work well.
Larger mushrooms can be quartered or cut into 1-inch pieces so they pickle evenly and still eat like a meaty bite.