Beat the butter and cream cheese

• Place the softened butter and cream cheese in the bowl of a stand mixer.
• Beat until smooth, fluffy and fully combined.

Add the vanilla and sugar

• Add the vanilla extract.
• Gradually add the powdered sugar while beating on low speed to avoid a cloud of sugar.

Whip until fluffy

• Increase the speed and beat until the filling is light, smooth and spreadable.
• Scrape down the sides of the bowl with a spatula as needed.