Kaszubski Kuch Marchewny (Traditional Kashubian Carrot Cake with Lemon Glaze)

A deeply moist, spiced root vegetable cake from northern Poland, enriched with walnuts, rapeseed oil, and finished with a sharp, crackling lemon glaze.
Prep time 30m
Temp 180°C (356°F)
Cook time 55m
Rest time 1h 15m
Total 2h 40m
Yield
10
Per serving:
480 kcal
60g Carbs
7g Protein
24g Fat
Published: 09 September 2026

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Ingredients

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Kitchen Kit

  • Box Grater
  • Mixing Bowl
  • Whisk
  • Silicone spatula
  • 23cm Springform tin
  • Wire rack
  • Baking paper
  • Peeler
  • Chopping Board
  • Chef's Knife
  • Sieve
  • Skewer

Method

  1. Preheat your oven to 180°C (fan 160°C). Grease and line the base and sides of a 23cm springform cake tin with baking parchment. Give the oven a solid 20 minutes to reach and stabilise at the correct temperature.
  2. Peel and grate the carrots on the coarse side of a box grater. If your carrots are exceptionally fresh and wet, give them a gentle squeeze over the sink to remove excess water, otherwise, leave them be. Roughly chop the shelled walnuts.
  3. Crack the eggs into a large, clean mixing bowl. Tip in the caster sugar and whisk vigorously—either by hand or with an electric mixer—until the mixture is pale, thick, and leaves a pronounced ribbon trail when you lift the beaters.
  4. Keep the whisk moving and slowly stream the rapeseed oil down the side of the bowl until fully emulsified into the egg mixture.
  5. In a separate bowl, whisk together the wheat flour, baking powder, baking soda, ground cinnamon, and fine sea salt to ensure the raising agents and spices are evenly dispersed.
  6. Sift the dry ingredients over the wet egg mixture. Fold gently using a large metal spoon or rubber spatula. Scrape right down to the bottom of the bowl, but do not overmix, or you will knock out the precious air you just whisked in.
  7. Chuck the grated carrots and chopped walnuts into the batter. Fold them through just until evenly distributed.
  8. Scrape the batter into your lined tin, levelling the top gently with your spatula.
  9. Bake on the middle shelf for 45 to 50 minutes. It is ready when a wooden skewer inserted into the dead centre comes out clean, with no wet batter clinging to it.
  10. Leave the cake to cool in the tin for 15 minutes to firm up, then carefully turn it out onto a wire rack to cool completely.
  11. Once the cake is entirely cold, prepare the glaze. Halve the lemon and squeeze its juice into a bowl containing the icing sugar. Whisk vigorously until you achieve a thick, smooth, pourable paste. If it is too stiff, add a drop of water; if it is too loose, add a tablespoon more icing sugar.
  12. Drizzle the lemon glaze over the cooled cake, nudging it to the edges so it drips naturally down the sides. Leave to set for 15 minutes until the glaze forms a dull, crackling crust before slicing.
Chef's Note & Storage
Store in an airtight container at room temperature for up to 4 days. The oil-based crumb actually improves and becomes moister on the second day. Do not refrigerate, as the cold will make the crumb dense and cause the sugar glaze to weep.
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Kaszubski Kuch Marchewny: The Northern Polish Masterpiece

Long before carrot cake became a high-street café staple swathed in heavy cream cheese, the Kashubian region of northern Poland was baking kuch marchewny. Born out of rural resourcefulness and the harsh Baltic climate, root vegetables were traditionally used to bring natural sweetness and deep moisture to bakes when refined sugar was scarce. This isn't a fluffy, light-as-air sponge; it is a dense, heavily spiced, and incredibly satisfying cake. To finish it authentically, we skip the modern frosting and drag it back to its roots with a sharp, crackling lemon glaze (lukier cytrynowy) that cuts right through the earthy richness of the crumb.

CHEF'S SECRET: The mechanical aeration of your eggs is the only thing standing between a beautiful, tender crumb and a stodgy brick. Whisk the eggs and sugar until they hit the 'ribbon stage'—pale, thick, and voluminous. When you lift the whisk, the batter should fall back on itself and leave a visible trail for at least three seconds before sinking back in.

The Fat Equation: Oil over Butter

While butter provides undeniable flavour in most baking, a true kuch relies on liquid fat. Rapeseed oil is traditional to the Polish landscape and is culinarily superior here. Oil remains liquid at room temperature, which guarantees a remarkably moist cake that stays fresh for days. It coats the flour proteins more effectively than solid fats, inhibiting gluten formation and yielding a profoundly tender crumb. Paired with the sharp citrus bite of the glaze, it creates a flawless balance of sweet, spiced, and sour.

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