Carrot cake monkey bread

Name: Carrot cake monkey bread
Ingredients: 150ml whole milk; 135g unsalted butter softened, plus extra for the tin; 550g strong white bread flour plus extra for dusting; 1 orange zested; 2 tsp mixed spice; 200g carrots (about 2 large), grated; 7g sachet fast-action dried yeast; 50g golden caster sugar; 2 large eggs at room temperature; oil for the bowl; 1 tbsp cinnamon; 100g walnuts toasted and finely chopped; 150g light brown soft sugar; 100g golden marzipan; ½ orange zested and juiced; 100g icing sugar