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["Heat milk in a small saucepan until warm. Transfer to a large bowl and whisk in yeast; let sit until foamy, 5-10 minutes.", "Whisk in egg yolks, vanilla, and 1/2 cup butter. Add sugar, salt, and 3 cups flour; mix until a shaggy dough forms. Knead dough on a lightly floured surface until supple, smooth, and no longer shiny, 5-10 minutes. Transfer to a large buttered bowl. Cover and let sit in a warm place until doubled in size, 1 1/2-2 1/2 hours.", "Mix chocolate, brown sugar, and cinnamon in a small bowl. Turn out dough onto a lightly floured surface; divide into three portions. Shape each into a 12""-long rope. Roll out each rope to a 12x6"" rectangle about 1/8"" thick. Brush with butter and top with chocolate mixture, pressing gently. Roll up to form a log; pinch seam to seal.", "Place logs, seam side down, side by side on a parchment-lined baking sheet. Pinch logs together at one end; braid, then pinch ends together and tuck under. Cover loosely and let sit in a warm place until 1 1/2 times larger, 1-2 hours.", "Preheat oven to 350u00b0. Beat egg yolk with 1 tablespoon water in a small bowl. Brush dough with egg wash; sprinkle with granulated sugar. Bake until top is golden brown and ""Babkallah"" sounds hollow when bottom is tapped, 35-45 minutes. Let cool on a wire rack."]
