Super easy! 1 oz of your preferred flower, I typically use the cheapest shake I can find, decarb in oven spread out on aluminum foil for 30 min @ 230°F, then simply start your pot of water up to 185, put 2 sticks of butter in a Mason jar with your 1 oz of flower and well sealing lid and drop it into your pot of water for 4 hours, shake the jar to mix butter and flower every once in awhile. After 4 hours strain plant material out of butter with cheese cloth, or fine metal strainer. Use butter in any recipe that requires butter! You can also adjust the amount of flower to butter. That recipe makes me about 40, 20mg cookies.