Soft and Fluffy Hot Cross Buns with Mascarpone Icing - Quickie Treats

Ingredients

• 115g milk (plant or dairy), warmed to 40-43°C with a pinch of sugar
• 2 1/2 teaspoons instant yeast
• 95g dried currants or raisins
• 4 tablespoons light rum or water
• 3 whole eggs (2 for dough, 1 for egg wash)
• 113g unsalted butter (plant or dairy), melted and cooled
• 1/2 teaspoon pure vanilla extract or vanilla bean paste
• 75g pure maple syrup
• 380g all-purpose flour, plus more for dusting
• 3/4 teaspoon ground cinnamon
• 1/2 teaspoon ground cardamom
• 3/4 teaspoon fine sea salt
• 1 teaspoon lemon zest
• 1 1/2 teaspoons orange zest
• 226g mascarpone cheese, chilled
• 3 tablespoons powdered sugar
• 1/2 teaspoon orange zest
• 1/2 vanilla bean, scraped (or 1/2 teaspoon vanilla bean paste)