1/3 cup red wine vinegar
1/3 cup olive oil
1 small onion thinly sliced
1 tsp salt
2 tblsp parsley and/or oregano
1 tsp mustard
1 tblsp brown sugar (sometimes i substitute honey)
2 cloves garlic
1 pound small fresh button mushrooms
Throw everything in the pot. (I love recipes that start like this!) Bring to the boil.
Reduce heat then stir in mushrooms. Simmer for 10-12 minutes.
Cool then transfer to the fridge in airtight container.
Serve cold with a toothpick.
This recipe has been knocking around my kitchen for awhile and unfortunately it's original source is lost. Thank you though, whoever came up with the idea of marinating mushrooms. So good!