This link should answer your questions: Recipe: How to Make Your Coffee Bulletproof...And Your Morning Too | The Bulletproof Executive
hot coffee + butter = liquid.
Blender should not matter. Anything that helps incorporate the butter into the coffee and makes a frothy head seems to fit the description.
MCT is listed as optional. Perhaps the site can tell you what the point of it is.
Grass fed butter is important according to the link. It explains why. Wal-mart butter =/= grass fed.
somehow I manage to leave my intelligence and decorum at the door wherever I go. I doubt your journal will be an exception to that - not on the rug
What the F&#* is a decorum? - Mr. Anthony