Chocolate connoisseurs should look for good-quality chocolate with a robust flavour for this chocolate mousse, nothing too acidic. Or you could choose flavoured dark chocolate, such as with coffee, ...

Preheat oven to 350°F. Grease three 8-inch round cake pans and line bot- toms with parchment paper. Dust bottoms and sides of pans with cocoa powder; tap to remove excess. Sift 3/4 cup cocoa powder ...