Carmelized Onion and Gorgonzola Quiche
2 dozen frozen mini tart shells 1 tablespoon extra-virgin olive oil ½ pound onions, cut crosswise into rings 2 large eggs ½ cup milk ½ cup heavy cream 1 teaspoon coarse salt Freshly ground pepper 2 ounces gorgonzola dolce Place mini shells on a cookie sheet, and prick bottom all over with a fork. Cook …