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.
1 For sweet potatoes that are up to 4 inches in diameter, bake for an hour. 2  For super large sweet potatoes, bake for an hour and 15 minutes. 3  After the time has elapsed, don't open the oven but turn it off. 4  Let the sweet potatoes sit in the oven for at least 30 minutes but up to an hour. Turn the oven on to 425. 2  Bake for 45 minutes for sweet potatoes/yams that are 2-3 inches in diameter. 3  For sweet potatoes that are up to 4 inches in diameter, bake for an hour. 4  For super large sweet potatoes, bake for an hour and 15 minutes. 5  After the time has elapsed, don't open the oven but turn it off.