Caramelized Onion Cheese Pizza without phyllo balsamic

1 lb uncooked orzo pasta 2 tablespoons butter or 2 tablespoons margarine 3 tablespoons olive oil 4 onions , sliced 6 1/2 ounces blue cheese , crumbled (or[...]

3 tablespoons butter or 3 tablespoons margarine , softened 1 medium sweet onion , sliced and separated into rings 1 teaspoon brown sugar 8 slices pumpernickel[...]