Prepare Your Ingredients: Before you even think about mixing, take your cream cheese and unsalted butter out of the fridge. They absolutely need to come to room temperature. This usually takes about 30-60 minutes, depending on how warm your kitchen is. Room temperature ingredients are crucial for achieving that smooth, lump-free consistency we’re after. While those are softening, measure out your powdered sugar, Baileys extract, vanilla extract, and have your heavy cream chilled.

Cream the Butter and Cream Cheese: In a large mixing bowl, using an electric mixer (either a stand mixer with the paddle attachment or a hand mixer), beat the softened butter on medium speed until it’s light and fluffy, about 2-3 minutes. Then, add the room temperature cream cheese to the bowl. Beat the butter and cream cheese together on medium speed until they are thoroughly combined, smooth, and creamy. Make sure to scrape down the sides of the bowl with a spatula periodically to ensure everything is incorporated. You want a consistent, lump-free base at this stage.

Add Sweetness and Flavorings: Gradually add the sifted powdered sugar to the cream cheese and butter mixture, about a cup at a time, mixing on low speed until each addition is incorporated. Once all the powdered sugar is in, increase the speed to medium and beat for another 2-3 minutes until the mixture is light and fluffy. Now, it’s time for the stars of the show! Add your Baileys extract, vanilla extract, and that tiny pinch of salt. Beat on medium speed until everything is well combined and fragrant, usually about 1 minute. Scrape down the bowl again.

Whip in the Heavy Cream: In a separate, very cold bowl (I often chill mine in the freezer for 10-15 minutes beforehand), pour in your well-chilled heavy cream. Using your electric mixer, whip the cream on high speed until soft peaks form. This means when you lift the beaters, the cream forms peaks that gently flop over. Be careful not to over-whip at this stage, as it can quickly turn into butter!

Combine for a Fluffy Finish: Gently fold the whipped heavy cream into the Baileys-flavored cream cheese mixture using a spatula. Do this in two additions, folding until just combined. You want to maintain that lovely aeration from the whipped cream. Avoid overmixing here, as it can deflate the filling. Once it’s uniformly creamy and light, your Baileys Extract Cake Filling is ready to use!