Equal weights of chocolate, butter, sugar, and eggs — I was almost speechless when I was introduced to this recipe by my friend Marielle. “But it’s so good!” she exclaimed, and what could I say? The combination is cooked in a deep mold in a water bath so it sets almost to a ball. When hidden under whipped cream, it becomes an intriguing snowball with a dark, secret center. Homemade candied rose petals, or candied violets from Toulouse (available in gourmet stores), crown th