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A flourless Styrian torte built on ground roasted pumpkin seeds, layered with apricot jam, and glazed in dark chocolate, the green crumb inside a love letter to Austria's most underrated province.
The first time I tasted Kürbiskern-Torte I was maybe ten years old, sitting in a Buschenschank outside Leibnitz with Gretel and my grandmother Eva. Gretel had ordered it because she wanted me to see what Styrian bakers could do with nothing but pumpkin seeds and eggs. I cut into it expecting something brown. The crumb was green. Not faintly green, not greenish. Vivid, dark, unmistakable green, the color of Steirisches Kürbiskernöl pooling on a white plate. I remember looking at Gretel and she just smiled, because she knew exactly what I was thinking. This was not a cake that existed anywhere else in the world.
The torte belongs to a family of Austrian cakes where ground nuts or seeds replace flour entirely. You'll find the same principle in Linzer Torte with almonds, in Hadntorte with buckwheat. But pumpkin seeds give you something no nut can: that deep, roasted, almost savory earthiness that sits underneath the sugar and egg and makes you pause mid-bite because you can't quite name the flavor. It's green and toasty and rich and it doesn't taste like anything else in the pastry case.
The technique is a classic Viennese separated-egg sponge. You beat the yolks with sugar until they go pale and thick, fold in your ground seeds, then carry the whole thing on a cloud of stiff egg whites. The whites are doing all the structural work here, since there's no flour and no gluten to hold things together. Handle them gently. Every bubble you knock out is height you won't get back. When it comes out of the oven, you split it, spread apricot jam through the middle, and glaze the top with dark chocolate. The chocolate sets smooth and glossy, the jam gives you that sharp fruity contrast, and then you drizzle Kürbiskernöl over the plate at the table, because in Styria, the oil goes on everything and they're right about that.
Styria's hull-less pumpkin, the Steirischer Ölkürbis, was developed through selective breeding in the 18th and 19th centuries. Its seeds require no shelling and produce an intensely flavored, dark green oil that received Protected Geographical Indication status from the EU in 1996. Kürbiskern-Torte emerged from the same Styrian farming tradition that put pumpkin seed oil on salads, soups, and ice cream, turning the region's signature crop into a flourless cake that became a point of provincial pride. Styrian bakers will tell you their Kürbiskern-Torte rivals anything coming out of a Viennese Konditorei, and after tasting one made with freshly ground seeds, it's hard to argue.
Quantity
250g
roasted and unsalted
Quantity
6 large
separated
Quantity
180g
Quantity
1 packet (8g)
Quantity
1
zested
Quantity
1 tablespoon
Quantity
50g
Quantity
pinch
Quantity
150g
sieved
Quantity
150g
finely chopped
Quantity
80ml
Quantity
15g
Quantity
2 tablespoons
for finishing
Quantity
2 tablespoons
for decorating
Quantity
for the pan
| Ingredient | Quantity |
|---|---|
| Styrian pumpkin seeds (Steirische Kürbiskerne)roasted and unsalted | 250g |
| eggsseparated | 6 large |
| granulated sugar | 180g |
| Vanillezucker | 1 packet (8g) |
| lemonzested | 1 |
| dark rum | 1 tablespoon |
| fine dry breadcrumbs | 50g |
| salt | pinch |
| apricot jam (Marillenmarmelade)sieved | 150g |
| dark chocolate (70% cocoa)finely chopped | 150g |
| heavy cream | 80ml |
| unsalted butter (for glaze) | 15g |
| Steirisches Kürbiskernöl (Styrian pumpkin seed oil)for finishing | 2 tablespoons |
| whole roasted pumpkin seedsfor decorating | 2 tablespoons |
| butter and breadcrumbs | for the pan |
Preheat your oven to 170°C (340°F). Butter a 24cm springform pan and dust the inside with fine breadcrumbs, tapping out the excess. This gives the batter something to grip as it climbs the sides. Grind the pumpkin seeds in a food processor using short pulses until they reach the texture of coarse sand. Stop before they turn to paste. Pumpkin seeds have a lot of oil in them, and if you over-process, you'll end up with pumpkin seed butter instead of a baking ingredient. Toss the ground seeds with the breadcrumbs and set aside.
In a large bowl, beat the egg yolks with 120g of the sugar and the Vanillezucker until the mixture turns pale, thick, and falls from the whisk in a slowly dissolving ribbon. This takes a good five minutes with a hand mixer. Don't rush it. You're building the structure that holds this cake together, since there's no flour doing that job. Beat in the lemon zest and rum. The lemon brightens everything. Without it, the torte can taste flat.
Add the ground pumpkin seed and breadcrumb mixture to the egg yolk base. Fold it in with a large spatula using slow, deliberate strokes. The batter will feel heavy and dense at this point. That's normal. The egg whites are about to change everything.
In a spotlessly clean bowl, beat the egg whites with a pinch of salt until they start to foam. Gradually add the remaining 60g of sugar while beating, and continue until you have stiff, glossy peaks that hold their shape when you lift the whisk. Fold one-third of the whites into the pumpkin seed batter to lighten it. Be thorough here, this first addition is sacrificial. Then fold in the remaining whites in two additions, gently, turning the bowl as you go. You want to see streaks of white disappearing into green. When no white remains and the batter looks like pale moss, stop folding.
Pour the batter into the prepared pan and smooth the top gently with a spatula. Bake on the middle rack for 45 to 50 minutes. The torte is done when the top is golden brown, the surface springs back when pressed lightly, and a skewer comes out with just a few moist crumbs. It will have risen beautifully but don't panic when it sinks a little as it cools. Every flourless torte does this. It's settling, not failing.
Let the torte cool in the pan for ten minutes, then release the springform and transfer to a wire rack. Cool completely. This is essential. If you try to split or glaze a warm cake, the jam will melt through and the chocolate will slide right off. When fully cool, use a long serrated knife to slice the torte horizontally into two even layers. Lift the top layer off carefully and set it aside.
Warm the sieved apricot jam gently in a small saucepan until it loosens and becomes spreadable. Spread a generous layer over the cut surface of the bottom layer, right to the edges. Place the top layer back on. Now brush the entire top and sides of the torte with a thin coat of the remaining warm jam. This is your Aprikotierung, the jam seal that gives the chocolate glaze something to grip and adds that sharp, fruity layer that cuts through the richness of the seeds. Let it set for fifteen minutes until it feels tacky to the touch.
Heat the cream in a small saucepan until it just begins to simmer. Pour it over the chopped chocolate in a heatproof bowl. Let it sit for one minute, then stir from the center outward in slow circles until the chocolate melts into a smooth, glossy ganache. Stir in the butter until incorporated. Let the glaze cool for five minutes, stirring occasionally. You want it thick enough to coat the back of a spoon but still pourable. If it's too hot, it will run off the cake. If it's too cool, it won't spread.
Place the torte on a wire rack set over a baking sheet. Pour the chocolate glaze over the center of the cake and let it flow outward and down the sides. Use an offset spatula to guide it if needed, but work quickly and touch it as little as possible. The fewer strokes, the glossier the finish. Before the glaze sets, arrange whole roasted pumpkin seeds around the top edge or scatter them across the surface. Let the glaze set completely at room temperature, about thirty minutes. When you serve, drizzle Kürbiskernöl in a thin circle on each plate beside the slice. The oil is not decoration. It's the final flavor, tying the torte back to the Styrian fields where it started. Mahlzeit!
1 serving (about 105g)
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