INGREDIENTS
1 cup
semisweet chocolate chips
1/2 cup
unsalted butter, cut into 1/2-inch slices
1/2 cup
all-purpose flour
4
large eggs, separated
1/2 cup
granulated sugar
2/3 cup
hazelnuts (filberts), toasted, finely chopped
2 cups
semisweet chocolate chips
1/4 cup
unsalted butter
1/2 cup
whipping cream
whole or chopped hazelnuts (optional)