Finally, make the chocolate glaze. In a small saucepan over low heat (or in a microwave-safe bowl), combine the chocolate chips and evaporated milk or heavy cream. Heat gently, stirring constantly, until the chocolate is completely melted and the mixture is smooth. Let it cool for just 2-3 minutes to thicken slightly. Drizzle the warm glaze back and forth over the completely cooled cake. You can make thin lines or a full, generous coating—it’s up to you! Let the glaze set for at least 30 minutes before slicing and serving. This final layer replicates the chocolate shell of the candy bar perfectly.
Pro Tips for Best Results
I tested the coconut filling three different ways: with sweetened condensed milk, with regular milk, and with evaporated milk. Evaporated milk is the clear winner. Sweetened condensed milk made the filling too sweet and sticky, while regular milk was too thin. Evaporated milk provides the perfect creamy body without overpowering sweetness, allowing the coconut flavor to shine. Don’t skip the 10-12 minute simmer; this cooks out the “canned” flavor of the milk and thickens the syrup to the right consistency.
Here’s what I learned the hard way about poking the holes: if you wait for the cake to cool, the filling just sits on top like a layer of frosting. Poking the holes while the cake is piping hot allows the sweet, buttery coconut filling to soak into the cake, creating a moist, infused layer that’s reminiscent of the candy bar’s center. Use the end of a wooden spoon and don’t be shy—poke all the way to the bottom.
For the cleanest slices and best texture, you must let the cake cool completely and let the glaze set. I know it’s tempting to cut in early, but if you slice it while it’s still warm, the layers will smoosh together and the glaze will run. Patience rewards you with beautiful, defined layers and the perfect eating experience. If you’re in a hurry, pop the glazed cake in the fridge for 20 minutes to set the chocolate.
Common Mistakes to Avoid
My first attempt failed because I used cold ingredients for the coconut filling. I added cold butter and cold evaporated milk to the pot, which took forever to come to a boil and then never properly emulsified. The butter separated, leaving a greasy film on top of the filling. Now, I make sure my evaporated milk is at room temperature and my butter is softened. Starting with ingredients that are not ice-cold ensures a smooth, homogenous syrup.(See the next page below to continue…)