Mushroom Uttapam is a delicious and savory variation of Uttapam that is made with sautéed mushrooms. It is a great option for mushroom lovers. To make Mushroom Uttapam using a food processor, finely chop the mushrooms using the processor. Then, sauté the mushrooms with onions, tomatoes, and a blend of spices. Prepare the Uttapam batter and spread it on a hot griddle. Then, spread a layer of the mushroom mixture on top and cook until crispy. Serve hot with coconut chutney or mint chutney for a flavorful meal.