Beltane Incense Recipe 2.5 mils Mandrake (White Bryony Root) 2.5 mils Gum Arabic 2.5 mils Gum Benzoin 10 mils Olibanum (Frankincense) pinch of Oak bark pinch of White Willow Bark 2 pinches of Damiana 3 drops Lotus oil 2 drops Cassia oil 10 drops Bergamot oil Grind mandrake and the barks; add gum arabic and grind some more. Add olibanum and benzoin, then oil. Grind softly till mixture resembles coarse breadcrumbs. This recipe was made by consensus, at a workshop we ran last Beltane! It's quite a nice incense, and keeps well.