Chestnut mushroom kits, though reliable, may take extra time and attention to produce mushrooms. The ideal temperature is at 20 °C or cooler and the ideal humidity level is higher compared to other mushroom varieties. Using a humidity tent maybe helpful as long as there are enough holes on it for proper air exchange. Chestnut mushrooms are small and amber-brown. They have an earthy, forest flavor and a crunchy texture. The beautiful, light brown color and glossy, moist texture of this mushroom adds an enchanting dimension to culinary creations. They are often used in miso soup, stew and sauté. Nutrition and wellness fact: Chestnut mushrooms have been found to help stimulate the immune system, lower LDL cholesterol, and provide anti-cancerous and anti-depression protection.