Chocolate and marmalade babka | Easter recipe | BakeClub

Ingredients

• 525g (3½ cups) strong (baker’s) flour
• 2 teaspoons instant dried yeast
• 75g (⅓ cup) caster sugar
• ½ teaspoon fine salt
• Finely grated zest of 1 orange
• 180ml (⅔ cup) lukewarm milk
• 2 eggs, plus 1 extra
• 150g unsalted butter, softened, plus extra to grease
• 150g dark (70%) chocolate, chopped
• 50g unsalted butter, chopped
• 110g (½ cup, firmly packed) brown sugar
• 300g jar blood orange marmalade (see Baker's Tips)
• 2 tablespoons boiling water