Mix 2 tbsp sugar with 1/2 cup water to make sugar syrup.

Cut the cake horizontally into two parts and lightly brush sugar syrup on the top of each slice.

Mix 2-3 tbsp of cocoa powder in buttercream frosting to make chocolate buttercream. You can add more if you want to make it more chocolatey.

Place the lower slice on the cake board and spread frosting on the top.

Place the upper slice on it and coat the cake with frosting completely.

Draw diagonal lines on the side of cake using a plain spatula.

Keep the frosted cake in refrigerator for 15-20 minutes.

Top your cake with colourful sprinkles to make it tempting and delicious.

Your beautiful cake is ready to serve.

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