For the dough
1 3/4 cups all-purpose flour (210g)
1/3 cup unsweetened cocoa powder (30g)
1/4 cup confectioners' sugar (45g)
a pinch of salt
3/4 cup cold butter, cut into pieces (150g)
1/3 cup strong brewed coffee, chilled (80ml)
For the filling
500g bittersweet chocolate, broken into pieces
2 1/2 tablespoons unsalted butter
3/4 cup confectioners' sugar (135g)
2 1/2 tablespoons milk
3 tablespoons coffee liqueur
3 eggs
3/4 cup chopped nuts (90g)
For the dough
1 3/4 cups all-purpose flour (210g)
1/3 cup unsweetened cocoa powder (30g)
1/4 cup confectioners' sugar (45g)
a pinch of salt
3/4 cup cold butter, cut into pieces (150g)
1/3 cup strong brewed coffee, chilled (80ml)
For the filling
500g bittersweet chocolate, broken into pieces
2 1/2 tablespoons unsalted butter
3/4 cup confectioners' sugar (135g)
2 1/2 tablespoons milk
3 tablespoons coffee liqueur
3 eggs
3/4 cup chopped nuts (90g)
Prepare the dough: In a bowl, whisk together flour, cocoa, confectioners' sugar and salt
Set aside
In a stand mixer, beat butter until creamy
Add the flour mixture and mix until just combined
Add the coffee and mix well
Gather the dough into a ball (if necessary, add more coffee to hold it together)
Wrap in plastic wrap or aluminum foil and refrigerate for at least one day
Melt butter and grease 40 mini muffin tin liners. Reserve
Divide the dough into four parts and roll out each piece, forming a circle of 26 cm diameter
Use a cookie cutter to cut smaller circles and place them in the prepared muffin tin liners, pressing gently. Reserve
Preheat oven to 180°C (medium)
Prepare the filling: In a heatproof bowl set over simmering water (do not let it boil), melt chocolate and butter, stirring delicately
Transfer to a stand mixer, add confectioners' sugar, milk, coffee liqueur and eggs
Beat until smooth
Add chopped nuts and mix well
Filling the muffin tin liners with about 1 tablespoon of the filling each
Place in two large rectangular baking dishes and bake at preheated oven for 20-25 minutes or until the filling is set
Remove from oven and let cool for 15 minutes
Gently remove the cakes from the tin and serve chilled
Coffee cake (165 calories per serving)