2teaspoonsbaking soda dissolved in 2 tbsp warm milk
2tablespoonswarm milk
2tablespoonscoco
½teaspoonssalt
1orange and lemon zest
Spice mix
1.5teaspooncinnamon
1.5teaspoonginger
½teaspooncloves
½teaspoonallspice
2teaspoonscardamom
¼teaspoonnutmeg
¼teaspoonblack pepper
For the filling
150ghazelnutstoasted and very finely ground
100gcream cheese
3tablespoonshoney
2tablespoonsheavy cream
½teaspoonvanilla extract
Pinchsalt
orange zest
1 cupplum jamthick
3tablespoonsespresso
For the Chocolate glaze
120gdark chocolate
60gbutter
Instructions
Brown the 1 cup unsalted butter in a saucepan until nutty and golden. Let it cool slightly.
Whisk the 1 ⅓ cups brown sugar and 1 ¼ cups honey into the warm butter until smooth.
Add the 4 large eggs, one at a time, mixing well.
In a separate bowl, combine the 4 cups all-purpose flour and 2 cups light rye flour, 2 tablespoons coco, 1.5 teaspoon cinnamon, 1.5 teaspoon ginger, ½ teaspoon cloves, ½ teaspoon allspice, 2 teaspoons cardamom, ¼ teaspoon nutmeg, ¼ teaspoon black pepper, 1 orange and lemon zest, and ½ teaspoons salt. Add 2 teaspoons baking soda to the 2 tablespoons warm milk.
Stir the dry ingredients into the wet mixture until a thick, sticky dough forms. Add the baking soda mixture.
Transfer the dough to a container, press plastic wrap directly onto the surface, cover tightly, and refrigerate for 2–4 weeks to mature.
Preheat oven to 350°F (175°C)
Line a 9×13 pan with parchment paper.
Spread the dough evenly in the pan.
Bake for 35–45 minutes, until set and fragrant.
Cool completely in the pan, then chill briefly if needed for easier slicing.
Toast the 150 g hazelnuts until fragrant and remove most of the skins.
Grind them finely in a food processor.
Add 100 g cream cheese, 3 tablespoons honey, 2 tablespoons heavy cream, ½ teaspoon vanilla extract, Pinch salt and orange zest.
Process until thick and spreadable.
Chill 30–60 minutes to firm up.
Trim domed tops if needed so layers stack flat.
Slice the cake horizontally into 3 even layers using a long serrated knife.
Place the bottom layer on a board.
Lightly brush with3 tablespoons espresso.
Spread a thin layer of1 cup plum jam.
Add a thin, even layer of hazelnut filling.
Top with the second cake layer.
Brush with espresso, spread plum butter, and the hazelnut filling.
Add the final cake layer.
Brush lightly with espresso and spread a thin layer of plum butter only.
Wrap tightly in parchment, then foil.
Place a light weight on top.
Let rest 2-3 days at cool room temperature or in the fridge.
Melt 120 g dark chocolate with 60 g butter for the glaze.
Pour over the top and smooth gently.
Decorate with chopped hazelnuts and candied orange peel.
Notes
Give the dough time - the long resting period isn’t optional. That’s where the flavor develops. Chill before slicing - a short chill makes the cake much easier to level and cut into clean layers.Let it rest before glazing - give the assembled cake at least 2-3 days before adding the chocolate glaze.