I got this recipe from eat cake for dinner blog
1 stick unsalted butter, room temperature
1/4 c. powdered sugar
1/4 c. honey
1 tsp. ground cinnamon
Whip the room temperature butter with whisk attachment for 30 seconds. Add powdered sugar, honey and cinnamon and beat until completely combined and very smooth. Scrape down sides of bowl and turn up speed and whip for a minute or two or until really light and fluffy. Yield: about 3/4 cup.