Step one: put about a cup or so of milk in a kettle to warm up (not for Baby, just for whatever purpose is at hand).
Step two: Get distracted by Baby crying or something... "Just for a minute"
Step three: Let your distraction truly distract you and keep you away from the stove for about 5 minutes.
Step four: Suddenly remember the kettle of milk and go rushing back to the stove.
Step five: Look below
I wish I'd taken a picture of the VERY BLACK inside of the kettle. It took some serious work to get it clean!!!
The kitchen smelled for a LONG time that day, in spite of candles and open windows. Ugh!
Moral of the story: never walk away from a kettle of milk, even for "just a minute"!! :-)