1-First Step: Prep the pans and oven Start by heating your oven to 375°F. Grease two 8-inch or 9-inch round baking pans, then set them aside. If you want the cakes to come out cleanly, you can also line the bottoms with parchment paper. Before mixing, it helps to bring a few ingredients closer to room temperature. Warm the eggs under hot water for a minute or two, and briefly microwave the buttermilk if it is cold from the fridge. This small step helps the batter mix more smoothly.

2-Second Step: Mix the dry ingredients In a large bowl, stir together the sugar, flour, cocoa powder, baking powder, baking soda, and salt. Mix well so the leavening and cocoa are spread evenly through the flour. This helps the cake rise evenly and gives each layer that deep chocolate flavor.

3-Third Step: Combine the wet ingredients In a separate bowl, whisk the eggs, buttermilk, oil, and vanilla extract together. This part is quick, but it matters because the wet mixture adds moisture and richness to the cake. If you are baking for family members with big sweet cravings, this is the kind of dessert that really delivers.

4-Fourth Step: Make the batter Pour the wet mixture into the dry ingredients and stir until just combined. Then carefully add the boiling water. The batter will look thin, and that is exactly what you want. That extra liquid helps the cake bake up soft and moist. Take a moment here not to overmix. A gentle stir is enough. If you keep mixing too long, the cake may turn out a little dense instead of light and tender.

5-Fifth Step: Bake the cake layers Divide the batter evenly between the prepared pans. Bake for 25 to 35 minutes, or until a toothpick inserted in the center comes out clean. Ovens can vary, so start checking near the 25-minute mark. When the layers are done, place them on a wire rack and let them cool completely. This matters because warm cake can melt the frosting and make the layers slide around.

6-Sixth Step: Make the coconut frosting In a saucepan, combine the light brown sugar, granulated sugar, butter, egg yolks, and evaporated milk. Cook over low heat, stirring constantly, until the mixture thickens and gently boils. This takes patience, but it is worth it. The texture should become rich and spoonable. Once it thickens, remove the pan from the heat and stir in the vanilla, chopped pecans, and shredded coconut. Let the frosting cool completely before using it. As it cools, it becomes thicker and easier to spread between the cake layers.

7-Seventh Step: Make the chocolate frosting Melt the butter in a mixing bowl or saucepan, then stir in the cocoa powder. Add the powdered sugar and milk a little at a time until the frosting reaches a smooth, spreadable texture. Finish with vanilla extract. If the frosting seems too thick, add a tiny splash more milk. If it is too soft, add a bit more powdered sugar. A good frosting should hold its shape but still spread easily.

8-Eighth Step: Assemble the cake Place one cooled cake layer on a serving stand or plate. Spread a thin layer of chocolate frosting on top, then add half of the coconut frosting. Set the second cake layer over it and gently press it down just enough to level it. Frost the outside of the cake with the remaining chocolate frosting. Then spoon the rest of the coconut frosting over the top. That classic look is part of what makes German Chocolate Cake so loved.

9-Ninth Step: Slice and serve Let the assembled cake sit for a bit before slicing so the frostings can settle. Use a sharp knife for neat slices, wiping the blade between cuts if needed. This cake is especially nice with coffee, milk, or even a scoop of vanilla ice cream.