Hot cross buns for Easter

Ingredients

• 3 tsp active dry yeast (10 g)
• 3 tbsp sugar
• 200 g milk, lukewarm (6.8 fl oz)
• 200 g all-purpose flour (7 oz)
• 200 g strong bread flour, type 850 (7 oz)
• 90 g butter (3.2 oz), softened at room temperature
• 1 egg
• 120 g dried raisins (4.2 oz)
• 50 g candied orange (1.8 oz)
• 1 tsp ground ginger
• 1 tsp ground cinnamon
• 1 tsp ground allspice
• 4 tbsp rum (optional)
• 90 ml water (3.2 fl oz)
• 90 g all-purpose flour (3.2 oz)
• 20 g butter (4 tsp), melted
• 1 tsp salt
• 125 ml water (4.4 fl oz)
• 90 g sugar (3.2 oz)
• 1/2 orange
• 1/2 lemon
• 1 cinnamon stick
• 1 star anise
• 3 cloves