burning butter

Melissa and I had an interesting conversation yesterday morning that went something like this:

Melissa: If you put butter in a toaster, would it light on fire?
Me: What?
Melissa: I was wondering if you put butter in a toaster, would it light on fire?
Me: That's what I thought you said. Why would you put butter in a toaster?
Melissa: Like if I buttered bread and then put it in a toaster.
Me:  Why would you butter bread before you put it in the toaster?
Melissa:  I'm just wondering if it would catch on fire.
Me: I guess it could.  But, back to my question, why would you even consider doing that?
Melissa:  Well, I was thinking I wanted a grilled cheese sandwich but I didn't want to spend the time to cook it.  So I thought about putting it in the toaster because that would cook it pretty fast.  Then I thought the butter might catch on fire so I decided not to do it.  Then I thought we should probably make sure our kids don't do that.
Me:  Now you've raised a completely different problem: why do you want grilled cheese first thing in the morning?

Now I have to go get a toaster that I can put buttered bread into just to see if it will catch on fire.  And I probably have to do it without Melissa knowing about it.  I should probably make sure our kids don't do that.