This French pastry is similar to French toast, only it's easier to pull off when feeding a crowd and offers a sweet, crisp surprise with its caramelized frangipane top crust. Martha made this recipe on Martha Bakes episode 605.

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Ingredients

For the vanilla simple syrup
For the almond frangipane
For assembling the bostock

Directions

Instructions Checklist
  • Preheat oven to 400 degrees and line baking sheet with parchment paper.

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  • Make the simple syrup: In a small pot, combine sugar, 1/2 cup water, and vanilla bean; cook over medium-high heat, stirring, until sugar dissolves, about 2 minutes.

  • Make the frangipane: In bowl of a food processor, combine almonds and sugar and process until finely ground. Add butter, egg, flour, rum, salt, and almond extract, and process until frangipane is smooth.

  • Assemble the bostock: Slice brioche into eight 1-inch-thick slices. Brush both sides of each slice with simple syrup; place on prepared baking sheet. Spread each top evenly with 1 tablespoon jam and then 3 tablespoons frangipane.

  • Bake until golden brown, 13 to 15 minutes. Sprinkle with sliced almonds and dust with confectioners' sugar before serving.

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