01 -
Preheat the oven to 350°F (175°C). Grease and line two 8-inch round cake pans.
02 -
In a large bowl, whisk together flour, granulated sugar, brown sugar, cocoa powder, baking soda, baking powder, and salt until evenly combined.
03 -
In a separate bowl, whisk together eggs, buttermilk, coffee, oil, and vanilla extract until smooth.
04 -
Gradually add the wet mixture to the dry ingredients, mixing until just combined. Avoid over-mixing.
05 -
Divide the batter evenly between prepared pans. Tap gently to release air bubbles.
06 -
Bake for 30–35 minutes or until a toothpick inserted in the center comes out with moist crumbs.
07 -
Let cakes cool in pans for 10 minutes, then transfer to wire racks to cool completely.
08 -
Melt chocolate chips, honey, and cream in a microwave-safe bowl or double boiler. Cool slightly.
09 -
In a large bowl, beat butter until smooth using a hand mixer or stand mixer.
10 -
Gradually add powdered sugar, cocoa powder, and salt. Start on low speed, then increase to medium.
11 -
Add the cooled chocolate mixture and vanilla extract. Beat until frosting is creamy and smooth.
12 -
Place one cake layer on a serving plate. Spread a generous amount of frosting on top.
13 -
Repeat with remaining layers, frosting between each. Cover the top and sides with frosting.