1-How to Prepare the Perfect Apple Cider Layer Cake: Step-by-Step Guide: Let’s dive into making this apple cider layer cake with a step-by-step approach that’s straightforward and fun. Start by reducing the apple cider to concentrate its flavor, which takes about 45-60 minutes of simmering. Once cooled for 10 minutes, you’re ready to mix up the batter.

2-Preparation: Preheat your oven to 350°F (177°C) and grease and line three 8-inch cake pans to ensure easy removal. In one bowl, whisk together the wet ingredients like eggs, egg yolks, vanilla bean paste, sour cream, and the reduced apple cider. In your stand mixer with the paddle attachment, quickly mix the dry ingredients including flour, sugars, baking powder, cinnamon, and salt.

3-Preparation: Gradually add the butter on low speed until the mixture looks like wet sand, then pour in the wet ingredients in two parts, mixing just until combined each time. Divide the batter evenly among the pans and bake for 35-40 minutes, or until a toothpick comes out clean and the cakes bounce back when touched. Let them cool in the pans for 15 minutes before moving to wire racks to cool completely.

4-Making the Spiced Salted Caramel: First, microwave the heavy cream with the spices for 30 seconds to infuse those warm flavors. In a saucepan, melt the granulated sugar over medium-low heat without stirring until it turns amber, which takes about 5 minutes. Remove from heat, stir in the butter until it’s all mixed in, then carefully whisk in the spiced cream. Return to heat briefly while stirring, then take it off and add the salt. Let it cool before using.

5-Creating the Buttercream and Assembling: For the buttercream, whisk the egg whites and sugar, then heat them over simmering water until they reach 160°F (71°C) and the sugar dissolves. Transfer to your mixer and whip on high for 8 minutes until glossy and stiff peaks form. Add the cubed butter gradually on low speed until smooth, even if it looks curdled at first. Mix in the vanilla and spiced salted caramel, then whip on high for 2-3 minutes and paddle on low for 1 minute to smooth it out.

6-Assemble the Cake: To assemble, level the cake tops, stack the layers with about 1 cup of buttercream between each, and finish with a crumb coat. Chill for 15-20 minutes, then frost the outside. If you want to get creative, mix some buttercream with melted dark chocolate for an ombré effect. This process makes the whole thing come together in a delicious, show-stopping dessert.