Learn how to make your own butter at home the coolest way in simple steps. First milk your cow if you have one or get raw milk and put it in your fridge. Wait until the cream flows to the top of the milk , then scoop out the cream and put it in a jar. Start to shake the jar and continue shaking until the butter separates from the milk. To make the butter more firm take it out, mix in water and shake nicely till you get it. You can also add some salt and use the remaining butter milk for your food.