We still recommend using your regular conventional oven but combining it with a thermometer to ensure accuracy. Also, you need a container that is airtight. Examples include a covered baking dish, a jar, or an oven-safe turkey bag that is tied off. The main purpose of this is that you want to preserve all of the essences. When you heat it up, some of that you will burn off and escape. Some of the things that burn off at the lower temperatures (various terpenes & flavonoids) so you can condense it down and save it all with an airtight container.
Check out our article on decarbing here: https://magicalbutter.com/blogs/learn/decarboxylation-a-beginners-guide
