Lightly crush or roll the pine needles to help release more scent.
Fill the pot with 5 cups of water — about ¾ of the way up. (Here’s the link to my glass pot.)
Add the pine, juniper berries, cinnamon stick, and lemon.
Bring to a gentle boil and let it bubble for 1–2 minutes.
Turn the heat down to a low simmer. Let it go for a few hours, topping up with water as needed. Add the vanilla toward the end if you’re using it.
Never leave it unattended — just keep an eye on the water level.