Burger King has reported a higher quarterly profit as growth overseas helped lift a key sales figure. The Miami-based chain says global sales rose 1.7 per cent at locations open at least a year, with particularly strong results in Asia. In North America, where it introduced lower-calorie french fries called Satisfries, the figure edged up 0.2 per cent. For the quarter ended December 31, Burger King says it earned $US66.8 million ($A74.2 million), or 19 cents per share. That compares with