Butterleaf Flour Recipe 1) Melt a whole stick of butter. Regular butter, Just drop a stick of regular-ass butter in it. 2) Add two cups of your homemade cannabis flour. 3) Add 1/3 cup water. 4) Cook on low heat for one hour in a frying pan. Or 24 hours steaming in a crockpot. Pothead alert: Steaming means you fill the crock pot halfway with water, put the butter and ganja flour in a separate bowl, place it inside, and then put the lid on the crockpot.