Step 3: Add Sugar to the Yolks
Just as the title implies, add one cup of sugar to the yolks and beat until the yolks are very light. The new mixture should be an off-white or cream color.
While you are beating the yolks, you should put the chocolate into the microwave for two and a half to three minutes at 40% power. Stir the chocolate until it is smooth and allow it to cool while you continue beating the yolks.