Mushroom Pepper Fry - Mushrooms….. Yumm!! My all-time favorite and now my son is an added member. Mushrooms are the richest source of Selenium (protects urinary bladder) and Folic acid (iron). Like humans they produce Vitamin D when exposed to sunlight. Yes !! Mushrooms are the only fruit or vegetable source of this critical vitamin. White button mushrooms are found to promote the immune function but any variety it might be, mushrooms are said to be healthier generally. It is a store house of Vitamin B and antioxidants too. Ingredients of Mushroom Pepper Fry: Mushroom – 200 gm Onion – 1 Ginger – 1/2 inch Garlic – 2 Green chillies -1 Curry leaves – few Turmeric powder – 1/2 tsp Crushed pepper powder – 1 tsp Mustard – 1/4 tsp Salt – 1/2 tsp Oil – 1 tsp Method of Preparation of Mushroom Pepper Fry: Wash the mushrooms and cut into halves. Heat oil in a pan, add mustard and let it splutter. Add the finely chopped onions and saute for about 2 minutes. Add the crushed ginger and garlic.