by Dan and Diane Hsieh White In Yilan , we baked sweet potatoes the old fashioned way . We had to build a fire pit using bricks and wrap the potatoes in foil . After the potatoes had cooked for an hour , we knocked the bricks down and dug out the goods .

Based on the preceding passage, answer the following question What is the old fashioned way of baking potatoes ?
They make them in a fire put .