Hazelnut cake with poached pears: Tonka bean ice cream plate

Catching sight of a sleek, candle-lit dessert lounge in Vienna right as the late-afternoon opera crowds call for an exquisite sweet finish introduces you to an absolute masterclass in pastry. Today, we are mastering an absolute blockbuster holiday milestone that has triggered a permanent, frantic obsession across modern lifestyle food blogs: authentic German Hazelnut Cake served alongside spiced white wine poached pears and a scratch-frozen tonka bean ice cream. Originally engineered by creative show cooks to combine deep, rustic nut crunches with high-acid orchard fruits and sweet botanical foams, stacking a dense sponge under a silky nut-butter emulsion transforms simple seasonal ingredients into pure restaurant luxury.

The beautiful stroke of culinary genius in this streamlined dessert blueprint relies on dual-protein egg separation whipping and a high-aromatic milk tempering technique. Instead of baking a basic flat cake from a dry commercial mix—which would wash out the complex hazelnut oils—we are slow-folding a snow mattress of rock-hard whipped egg whites straight into a dense mass of ground almonds and sweet cream butter. Paired with a velvet, slow-whipped hazelnut butter cream and a smooth, egg-yolk custard ice cream base infused with fresh grated tonka bean shavings that hit a strict 80C heat line, every single spoonful delivers an incredible text-contrast explosion. Grab your deepest mixing bowls, ready those ice cream machines, and let us get this shimmering heritage classic chilling away!

What You Need

For the Fluffy Ground Almond & Hazelnut Sponge

• 200 g sweet cream butter (kept perfectly soft-centered)
• 100 g white granulated sugar
• 1 packet fragrant vanillin sugar
• 3 large fresh eggs (divided cleanly into whites and yolks)
• 80 g fine pastry flour
• 3 tsp baking powder
• 200 g premium ground almonds
• 200 g premium ground hazelnuts
• 100 ml whole milk
• 1 pinch fine sea salt

For the Silky Hazelnut Nut-Butter Cream Cushion

• 220 g high-fat sweet cream butter (kept at flat room temperature)
• 150 g premium smooth hazelnut paste (100% nut puree variant)
• 150 g fine powdered confectioners sugar
• 1 tsp intense pure vanilla extract
• 1 tbsp fluid sweet heavy cream
• 1 pinch fine sea salt

For the Scratch-Frozen Botanical Tonka Bean Ice Cream Matrix

• 200 ml fluid sweet heavy cream
• 200 ml whole milk
• 80 g white granulated sugar
• 3 large fresh egg yolks
• 1 whole fragrant tonka bean (finely grated from the pod)
• 1 pinch fine sea salt

For the Spiced White Wine Poached Pears

• 3 small fresh organic bio-pears
• 300 ml crisp dry white wine
• 2 whole aromatic star anise pods
• 6 whole fragrant cloves
• 1 whole sweet cinnamon stick

Step-by-Step

Let us conquer that airy egg-separation sponge ritual first to secure our dense nut cake foundation. Grease the floor of a round baking tin heavily with butter and crank your oven dial to 180C (350F) using the traditional top-and-bottom heat setting. Separate your 3 fresh eggs cleanly into two vessels, beating the egg whites and a pinch of salt on high speed until rock-hard, stiff snow peaks stand firm. In your second deep mixing bowl, beat your softened butter blocks, white granulated sugar, and vanillin sugar aggressively for 5 minutes until a pale foam builds, running in the raw egg yolks one-by-one under a steady vigorous stir.

Sift your pastry flour and baking powder together into a cup, then tumble the dry starches, ground almonds, ground hazelnuts, and 100 milliliters of whole milk directly into the wet yolk bowl pool, working the crumbs into a smooth mass. Tumble your stiff egg white snow straight into the heavy nut matrix, folding the white clouds smoothly and gently through the lines using a rubber spatula to preserve the trapped gas bubbles. Pour the brown batter flat into your prepared pan, and plunge the tray onto the oven’s middle rack to bake patiently for exactly 30 to 40 minutes until a wooden skewer inserted into the center emerges bone-dry, then let the sponge cool completely down.

While the cake bakes, handle your high-aromatic tonka bean custard tempering sequence. In a saucepan set over medium flame, combine 200 milliliters of sweet heavy cream, 200 milliliters of whole milk, white granulated sugar, 3 egg yolks, a pinch of salt, and a heavy shower of your freshly grated tonka bean pod. Chef’s Critical Custard Secret: Whisk the liquid matrix continuously and aggressively while watching your kitchen thermometer like a hawk—let the milk hit a precise maximum heat dial of 80C (175F) so the starch starches bind smoothly without letting the delicate egg proteins scramble into an ugly white porridge! Slide the pan off the burner to cool down completely before pouring the spiced lake straight inside your home ice cream machine to freeze into a dense velvet cream mirror.

Now, let us build our spiced white wine poached fruit reduction. Peel your organic bio-pears cleanly, slicing the roots into vertical halves and using a small teaspoon to core out the tough center seed matrices. Flood the floor of a separate small pot under 300 milliliters of dry white wine, dropping your fruit halves, whole star anise pods, fragrant cloves, and the sweet cinnamon stick straight into the lake. Bring the wine syrup to a roaring boil, then drop the flame down low to let the pears poach quiet and uncovered for exactly 10 minutes until a knife blade slides easily through the flesh, then lift the fruits out to drain.

Execute your silky hazelnut nut-butter cream cushion right at the final finish line. Drop your room-temperature butter blocks inside a deep bowl, beating the fat with a hand mixer on high speed for a solid 5 minutes until white, airy, and fluffy. Fold your smooth hazelnut paste straight into the grease cloud, then run in your fine powdered sugar in small portions under a low speed. Stream your pure vanilla extract, a pinch of salt, and a single tablespoon of fluid heavy cream directly into the bowl floor, beating the mass on high speed for 3 final minutes until an impossibly smooth, gloss-coated velvet glaze builds, then ladle the cream paste straight inside a pastry piping bag.

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Time for the final artisanal assembly masterclass. Slice your cooled hazelnut cake into rustic wedges. Pipe massive, elegant rosettes of your silky hazelnut butter cream cloud proudly flat over the cake crowns. Arrange your warm, wine-infused poached pear halves right alongside the nut pastries over wide presentation platters. Scoop a majestic mountain of your frozen tonka bean ice cream straight into the center canyon to build an incredible hot-cold temperature contrast, serve immediately while the wine steam rises against the frozen dairy, and dive straight into pure dessert paradise!