Easter Hot Cross Bun Spelt Rolls

Name: Easter Hot Cross Bun Spelt Rolls
Cuisine: European
Ingredients: 300ml (1¼ cups) milk; 40g (⅛ cup) butter; 1 egg; zest of one lemon; 2 tbsp lemon juice; pinch of saffron; 500g (4 cups + 2 tbs) spelt flour (see note 2); 1 tsp salt; 7g (2¼ tsp) dried yeast (see note 3); 75g (⅓ cup) sugar; ½ tsp cinnamon; 2 tsp mixed spice; 50g (¼ cup) butter (melted); 1 tbsp lemon juice; 2 tbsp brown sugar; 100g (3½ oz) sultanas; 2 tbsp golden syrup (or medium-light syrup)