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.
Use a fork to poke holes on the top of the potatoes. Preheat the oven to 350 degrees. 3. Bake the sweet potatoes. Place the sweet potatoes directly on the rack in your oven, or on a baking sheet if you prefer. Bake for about 45 minutes, or until they feel soft inside when you poke them with a fork.