I hate to just chime in but actually the microwave would work. Just don't put it in that long.

Timothy Leary's favorite snack was actually the Leary Biscuit..

Take a cracker, put a piece of cheese on the cracker, top with small bud. Zap it for about 20 secs.

http://phe.rockefeller.edu/~perrin/BiscuitRecipe.html

He ate one everyday.

Winks