2 teaspoons unsweetened cocoa powder
1/2 teaspoon chipotle chili powder
1/4 teaspoon ground cinnamon
1/4 teaspoon cayenne pepper
Pinch salt
4 flour tortillas (8-inch in diameter)
2 tablespoons unsalted butter, room temperature
4 ounces white chocolate, broken into 1-inch squares
4 ounces dark chocolate, broken into 1-inch squares
3 teaspoons cocoa chili powder
4 scoops vanilla ice cream, for service
2 tablespoons dark chocolate sauce, for garnish