No, honey, you can't help Grandma with this recipe

One-pot 'shake and bake' meth labs found in Prairie du Chien, 2 arrested.  (Madison.com, 9/23/2014)

How it's done.

The one-pot shake and bake method uses a sealed container filled with toxic ingredients to make the illicit drug, the container shaken to start the chemical reaction, with the residue from the process considered hazardous waste.

Shake and Bake or One Pot Meth Making.  (Some Chick's Blog All About Meth)

More about the process.

The biggest danger in relation to this method is the fact that it is fast and portable. So portable in fact, that it is most common to find people using this method to make meth in their car

SlideShare:  One Pot / Shake and Bake method of cooking meth