Need to know a little about making crystal meth?

So i’m doing a project for a class for a math class and i’m explaining control theory using a common exothermic reaction. The teacher is young though and part of the grade is creativity…. the actual reaction itself doesn’t matter, but a giggle will help the grade.

The overall point is, knowing something about a reaction, i can design a controller which will control a cooling jacket and keep the temperature steady, so the stuff doesn’t blow up.

I don’t want an ingredient list, but can i treat this as a “single input” type of reaction?

Basically, imagine reacting 2 chemicals, but you premix at a temperature they won’t react at………then when you throw them into the reactor….they form a “single input” into the reactor.

If this doesn’t work, any other suggestions would be helpful….doesn’t have to be drug related, just something that could get a chuckle.
Hah, i finished experimenting years ago……just linear algebra is killing me…..i need something to boost the grade.

NO ingredients. Just basically is it a multi step or single step. I don’t wanna write it and have the prof mark down i was wrong.