Whole Orange Cake with Spiced Syrup

Whole Orange Cake

• 200 g unsalted butter, diced, plus extra for greasing
• 1 orange, washed, unpeeled and quartered
• 3 medium eggs
• 200 g rapadura sugar
• 300 g self-raising flour
• 20 g orange juice

Spiced Syrup

• 160 g water
• 180 g rapadura sugar
• 2 tsp honey
• 1 cinnamon stick
  hoặc ½ tsp ground cinnamon
• ½ tsp ground cardamom
• ½ tsp dried fennel seeds
• 1 star anise
• 1 orange, zest only, no white pith