Healthiest Way to Cook Mushrooms
The best way to cook mushrooms is to grill them to preserve all its nutrients. When the mushrooms were grilled or microwaved, the content of polyphenol and antioxidant activity increased significantly. Frying and boiling produced losses in proteins and antioxidants compounds due to the leaching of soluble substances in the water or oil, which have the nutritional value of the mushrooms.
Make a quick sauce with olive oil, garlic, and a pinch of salt and black pepper. Drizzle the sauce all over and grill the mushrooms on medium-high heat for four to five minutes tossing them at least once to prevent them from charring. Another way to cook mushrooms in a healthy manner is to marinate the mushrooms in some balsamic vinegar for an hour and them grill them. These can be later added to salads, served with hot toast, or thrown into a bowl of pasta to add a smoky flavor.
As seen in Quora: https://www.quora.com/What-is-the-healthiest-way-to-cook-mushrooms/answer/Thomas-Vegky