Simnel Cake - British Easter Cake

Ingredients

• 1 cup unsalted butter (228g) or 1/2 cup butter and 1/2 cup vegetable oil
• 1 cup granulated sugar (199g)
• 2 tsp vanilla extract (8.6g)
• 1 tsp orange blossom water (4.3g)
• 3 grade A large eggs
• 2 cups all purpose flour (240g)
• 2 tsp baking powder (8g)
• 1/2 tsp baking soda (2.2g)
• 1 tsp salt (6g)
• 2 tsp ground cinnamon (4.6g)
• 1 tsp ground mace (2.3g)
• 1 1/4 cup Sultanas (golden raisins) (180g)
• 1 1/4 cup currants (180g)
• 1 cup candied orange peel (115g)
• 1/2 tbsp citron (58g)
• 1/3 cup Meyer's rum ((80ml)
• 1 1/2 lb marzipan (680g)
• apricot jam for glazing the top of the cake