You can switch out butter in steps if you prefer: If you are used to margarine, (which is the straight bad fat contributing to cholesterol) switch to regular butter. If you can switch out your regular butter for organic grass fed butter, there is a difference in the fat content and in the way your body processes it, and it is better for you.
You can read the research below:
The Kerrygold brand is a great brand, which you can purchase at Costco at a great deal.
Really we should try and cut our dairy intake altogether. See the Cow’s Milk post for more information. There are some great butter alternatives out there if you want to try and cut dairy out. Try out the brand Earth Balance. It comes in regular or made with olive oil. I have tried both options and they taste great! If you want to try and cut out all dairy, here is a recipe for an alternative for Sour Cream.