Which object has the most thermal energy?

 - a blueberry muffin at a temperature of 94°F
 - a blueberry muffin at a temperature of 99°F
 - a blueberry muffin at a temperature of 103°F
All three blueberry muffins have the same mass but different temperatures. Since the 103°F muffin is the hottest, it has the most thermal energy.