Which object has the most thermal energy?

 - a blueberry muffin at a temperature of 32°C
 - a blueberry muffin at a temperature of 24°C
 - a blueberry muffin at a temperature of 19°C
All three blueberry muffins have the same mass but different temperatures. Since the 32°C muffin is the hottest, it has the most thermal energy.