This recipe is from one of Pierre Hermé's books, and is therefore bulletproof. You'll see how specific the directions are, which is incredibly helpful. Feel free to use a hand mixer, or even your own muscle power, to beat the egg whites
'Pierre Hermes' on Serious Eats
Chocolate is a complex thing—its history, properties, lore, chemistry and uses fill volumes and volumes of books. I'm always looking to expand my knowledge, and thought I'd share some of my favorite chocolate-related tomes this week. Since my space here is limited, this is by no means a comprehensive or scientifically compiled list. Please jump in and add your favorites! I'm always looking for new reading material.