1. Place the water in a bowl and add the chocolate. 2. Microwave the bowl of chocolate. 3. Crack the eggs, remove the yolks with an empty jar, and whisk the whites into a frothy mixture. 4. Pour the chocolate into the bowl of egg whites and whisk to combine the chocolate and egg whites. 5. Microwave the bowl of mixture. 6. Sprinkle the finished chocolate cupcakes with sugar. 7. The chocolate cupcakes are ready.