2 sticks unsalted butter, plus more for the ramekins
4 teaspoons granulated sugar
1/2 teaspoon ground cinnamon
Pinch of cayenne pepper
Pinch of nutmeg
12 ounces semisweet chocolate, chopped
1 cup all-purpose flour
2 1/2 cups confectioners' sugar, plus more for dusting (optional)
6 large eggs plus 6 egg yolks
1 1/2 teaspoons vanilla extract
1/4 teaspoon almond extract