Hazelnut Gâteau Breton

A rich, buttery French cake made with ground hazelnuts and vanilla sugar, featuring a distinctive crosshatch pattern on top. This classic Breton dessert has a dense, cookie-like texture and is perfect served with fresh strawberries or warm strawberry jam.

8 servings
1 hr 35 min

Ingredients

  • cups vanilla sugar
  • ½ cup hazelnuts
  • 6 large egg yolks
  • 1 cup salted butter
  • 2 cups unbleached all purpose flour
  • 1 large egg yolk
  • 1 serving strawberries or strawberry jam

Cooking Instructions

  1. 1.

    Position rack in center of oven and preheat to 325°F. Butter and flour 9-inch-diameter springform pan. Combine 2 tablespoons vanilla sugar and hazelnuts in processor; blend until nuts are finely ground but not pasty. Combine 6 egg yolks and remaining 1 cup plus 2 tablespoons vanilla sugar in large bowl; whisk until well blended and slightly thicker, about 2 minutes (do not use electric mixer). Whisk in hazelnut mixture. Gradually whisk in melted butter. Sift flour over batter; stir just until blended (batter will be thick; do not overmix or cake may be tough).

    15 min

  2. 2.

    Transfer batter to prepared pan; smooth top with offset spatula (layer will be thin). Brush top generously with egg glaze. Using back of tines of fork, deeply mark crisscross pattern atop cake, marking 3 times across in 1 direction and 3 times in opposite direction. Bake cake until deep golden on top and tester inserted into center comes out clean, about 1 hour. Cool in pan on rack 15 minutes, then remove pan sides and cool cake completely. DO AHEAD Can be made 1 day ahead. Wrap in foil and store at room temperature.

    75 min

  3. 3.

    Cut cake into wedges and serve with whole strawberries or with warm strawberry jam.

    5 min

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