Čupavci: Sponge Cake Squares with Chocolate and Coconut
Čupavci are small sponge-cake squares finished with a chocolate coating and a generous layer of desiccated coconut. Their name evokes the shaggy surface created by the coconut, but the technical contrast is more important than the appearance: the centre should remain light and springy while the outer layer becomes moist with chocolate and textured with coconut. This recipe produces twenty pieces from one rectangular sponge.
The sponge is based on eggs and sugar for aeration, with milk and sunflower oil providing moisture and tenderness. Whisking the eggs and sugar until pale and thick gives the batter enough initial structure that the flour can be folded in without creating a heavy cake. Baking powder supports the rise but does not compensate for rough mixing. Once flour is added, the batter only needs enough folding to eliminate dry pockets and become uniform.
Complete cooling is essential before dipping. A warm sponge is fragile, sheds crumbs and absorbs hot coating so quickly that the cube can tear in the tongs. Cooling for 45 minutes gives the crumb time to set before it is cut into twenty similar squares. Even sizing is useful because each piece then takes up a comparable amount of coating and coconut, keeping both the yield and the nutrition estimate meaningful.
The coating uses dark chocolate, milk, sugar and butter. It is warmed only until everything is melted and the mixture is smooth, then cooled briefly before the cake is introduced. It should remain fluid enough to form a thin complete layer rather than a thick shell. If it is used while very hot, the butter-rich liquid can soften the sponge; if it becomes too cool and thick, it clings unevenly and tears the surface during dipping.
Coconut is the finishing texture rather than a decorative afterthought. Each freshly coated square is rolled immediately so the dry coconut adheres before the chocolate layer starts to set. A final 20-minute stand lets the surface settle and reduces smearing when the pieces are moved. The finished čupavci should hold their square outline, with coconut evenly attached and no pool of wet coating underneath.