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.
Boiling sweet potatoes: Bring a large pot of salted water to a boil. Add peeled, cubed potatoes and cook until tender, 20 to 30 minutes. Try turning them into mashed sweet potatoes. Baking sweet potatoes: To bake them in the microwave, pierce with a fork and cook for 5-8 minutes, rotating once). To bake in the oven, Preheat oven to 400Â°F. Pierce sweet potato with a fork about 6-8 times and place on a foil-lined baking sheet. Bake until tender, about 45-60 minutes.