Vanilla Meringues with Dark Chocolate Ganache | Williams Sonoma

Ingredients

• Fresh lemon juice or vinegar as needed
• 3 egg whites
• 7 Tbs. (3 1/2 oz./105 g) granulated sugar
• 1/4 cup (1 oz./30 g) confectioners’ sugar, sifted
• 1/2 tsp. vanilla bean powder (optional)
• 1/4 lb. (125 g) bittersweet chocolate (70% cocoa, finely chopped)<br>
• 5 Tbs. (3 fl. oz./80 ml) heavy cream
• 2 1/2 Tbs. light corn syrup
• 2 Tbs. crème fraîche or sour cream
• <br> Cocoa powder for dusting (optional)