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.
Our sweet potato cooks give some advice: 1  I usually bake a small-to medium-sized sweet potato for 40 minutes in a 350-degree oven. 2  I usually pierce it once or twice with a fork and put foil under it while it cooks.