Smoking pot is a symbol for the desire to escape from your day-to-day stressors and especially from overthinking and mental overwhelm.
A joint in a dream represents the ability to generate this form of escapism whenever it is desired.
[1]1. A period of positive change and growth is in the offing.
2. Things are not progressing according to plan.
3. A measure of flexibility—often in situations, likely regarding personality.
[2]A good omen if you cook it for your family, but threatened poverty if you eat it yourself.
[3]