Hot cross buns

Buns

• ½ lemon or 1 lime, zest only, no white pith (optional)
• 500 g baker's flour
• 250 g full cream milk
• 1 tbsp dried instant yeast or 40 g fresh yeast, crumbled
• 1 pinch salt
• 70 g butter
• 50 g caster sugar
• 1 egg
• 1 ½ tsp ground cinnamon
• 1 ½ tsp ground nutmeg
• ½ tsp ground cloves
• 100 g sultanas
• 70 g currants

Piping

• 80 g plain flour
• 1 pinch salt
• 1 tsp olive oil
• 100 g water

Syrup

• 2 tbsp water
• 2 tbsp sugar