Whip the butter so it's nice and creamy. 

This is where the room temperature part makes things easier)

Add the powdered sugar and mix it all in. Then add the honey and the cinnamon. Then whip it. Whip it good. ("Ba da ba da da. Crack that whip!") Scrape the sides and whip it a little more.

Store the heavenly concoction in the fridge or leave it out at room temperature. It's going to spread much easier at room temperature, but it's up to you! Serve on rolls, toast, bagels, sweet potatoes, etc. Enjoy! And good luck not eating all of it!