Citygate: A point or measuring station at which a distributing gas utility receives gas from a natural gas pipeline company or transmission system. Coke oven gas: The mixture of permanent gases produced by the carbonization of coal in a coke oven at temperatures in excess of 1,000 degrees Celsius.
Baking Sweet Potatoes. 1  Preheat oven to 400Â°F. 2  With a fork, pierce sweet potato skin 5-6 times. 3  Place on baking sheet lined with foil. 4  Bake until tender, 45 minutes to 1 hour.
Procedure. 1  Preheat oven to 400 degrees (or any temperature between 300 â 500; but roasting time will vary; see Notes). 2  Wash and peel sweet potatoes. 3  Cut sweet potatoes into the desired size and shape. I suggest Â½-inch rounds; or split the sweet potato lengthwise and cut Â½-inch half-moons; or cut wedges about Â½-inch in diameter.