Easy Chocolate Tiramisu Recipe

In liquid measuring cup, stir together coffee, granulated sugar, 1 tablespoon cocoa, and 4 tablespoons (1/4 cup) coffee liquor. Lay 14 ladyfinger cookies in single layer in bottom of pan. With pastry brush or spoon, douse ladyfingers with 1/2 of coffee mixture. In large bowl, gently whisk mascarpone, melted chocolate, 3 tablespoons confectioners sugar, remaining 1 tablespoon coffee liquor (if using), and 1 teaspoon vanilla until just combined. Spread over soaked ladyfingers in pan and smooth top. Place 14 more ladyfingers in single layer over mascarpone mixture. Soak with remaining coffee mixture. Using stand mixer or handheld mixer, whip cream with remaining 3 tablespoons confectioners sugar, remaining tablespoon cocoa, and remaining 2 teaspoons vanilla to medium peaks. Spread over soaked ladyfingers and smooth top. Chill for 1 to 2 hours to allow ladyfingers to completely soften. Dust with cocoa, cut into squares and serve.