A burned-out Tennessee mansion went viral on Zillow for $1.5M

Cooking fires are among the most common types of house fires, causing around 49 percent of all residential fires.1 They are very often caused by greases that becomes overheated on a stove or in an oven. Grease is highly flammable when it gets hot enough (about 600 degrees Fahrenheit, on average), and when it reaches that point, it can combust spontaneously, even without direct flame contact.