Olive Oil Cake With Roasted Grapes and Chocolate Ganache Recipe

Name: Olive Oil Cake With Roasted Grapes and Chocolate Ganache Recipe
Ingredients: For the Roasted Grapes:; 2 cups seedless purple grapes, stemmed; 1 teaspoon olive oil; For the Cake:; 1/2 cup plus 2 tablespoons stone ground cornmeal; 1/2 cup all purpose flour; 1/2 teaspoon baking powder; 1/2 teaspoon salt; 4 eggs, lightly beaten; 3/4 cup sugar; 1 tablespoon zest and 1/4 cup fresh juice from about 1 medium orange; 1/2 cup extra virgin olive oil; For the Ganache:; 5 ounces bittersweet chocolate, finely chopped; 1/2 cup heavy cream; 2 tablespoons granulated sugar; 2 tablespoons water