Preheat oven to 425 degrees.
Mix sugar and water in a 13 x 9-inch baking dish. Put pears, cut sides down, in dish. Roast pears 15 minutes. Arrange pears, cut sides up, crumble hazelnuts and gorgonzola over pears. Return to oven for 3 to 5 minutes until cheese melts. Serve warm.
Recipe courtesy of Gourmet Magazine