1for cookies, preheat the oven to 350°. Line a baking sheet with parchment paper. Mix the flour, baking powder, red pepper flakes, and salt in a small bowl. Heat the raisins and coffee liqueur in a small pan over low heat.
2Melt the chocolate with the butter in a double boiler over barely simmering water. Set aside to cool. Beat the eggs and sugar in a large bowl with electric mixer at high speed until very pale and creamy, about five minutes
3With mixer at medium speed, beat in the chocolate and vanilla. With mixer at low speed, beat in the mixed dry ingredients and then the raisin mixture and chocolate chips. Drop tablespoons of the dough 1 inch apart on the prepared baking sheet. Bake until risen slightly, 10 to 12 minutes. Cool on the baking sheet for five minutes. Transfer to wire racks and let cool completely.
Glaze: melt the white chocolate and red pepper flakes in a double boiler over barely simmering water. Drizzle over the cooled cookies and let rest until set, about 30 minutes.
Makes about 18