Sourdough with Horseradish Butter and Seaweed Caviar

A thick, crusty slice of golden-brown sourdough bread served on a wooden board alongside a mound of creamy yellow horseradish butter and a portion of glistening black seaweed caviar.

Time: 20 min - Longer if baking | Serves: 6

This elevated bread service from Hamburg’s XO Seafood Bar proves that simple components, when executed with high-quality ingredients, can be the star of the show. We are recreating their signature Levain bread paired with a pungent, whipped horseradish butter and the briny pop of seaweed caviar. It’s up to you if you bake the bread yourself. If you buy the bread at a bakery, you can start the instruction from number 8. Remember to buy a hight quality bread.

Ingredients

The Levain Bread

  • 500g All-purpose or bread flour (approx. 3 ¾ cups)

  • 350g Warm water (approx. 1 ½ cups)

  • 100g Active sourdough starter (approx. ½ cup)

  • 10g Sea salt (approx. 2 tsp)

The Horseradish Butter

  • 225g Unsalted high-fat butter, softened (1 cup / 2 sticks)

  • 45g Prepared horseradish, squeezed dry (3 tbsp)

  • 5g Flaky sea salt (1 tsp)

  • 2ml Lemon juice (½ tsp)

The Garnish

  • 50g Black seaweed caviar/cavi-art (approx. 3 tbsp)

  • Extra flaky sea salt for finishing

Instructions

  1. Mix Bread: Combine flour, water, and starter; let rest for 30 minutes.

  2. Salt and Fold: Add salt; perform four sets of "stretch and folds" every 30 minutes.

  3. Bulk Ferment: Let dough rise at room temperature until increased by 50% in size.

  4. Shape: Shape into a tight round boule and place in a proofing basket.

  5. Cold Proof: Refrigerate for 8–12 hours to develop the signature "Levain" acidity.

  6. Bake: Preheat Dutch oven to 245°C (475°F); bake covered for 20 minutes.

  7. Finish Crust: Remove lid; bake at 220°C (430°F) for 20 minutes until dark golden.

  8. Prepare Butter: Whip softened butter with a hand mixer until pale and fluffy.

  9. Fold Horseradish: Fold in dried horseradish, salt, and lemon juice until fully incorporated.

  10. Style Butter: Use a small bowl or spatula to create a smooth, rounded mound.

  11. Assemble Plate: Slice bread thickly; place on a wooden board with butter.

  12. Add Caviar: Spoon a neat "quenelle" or mound of seaweed caviar next to butter.

  13. Final Touch: Sprinkle flaky sea salt over the board and butter.


Recipe inspired by restaurant

Hamburg

 

 
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