Cherry and pistachio stollen

Name: Cherry and pistachio stollen
Prep time: 4 h 45 min
Cook time: 20 min
Total time: 5 h 5 min
Cuisine: European, German
Ingredients: 100g red glace cherries, halved (see note); 1/2 cup (95g) mixed peel; 1/2 cup (75g) pistachios; 1/4 cup (60ml) orange liqueur (such as Triple Sec, Cointreau or Grand Marnier); 2 tsp (1 sachet/7g) dried yeast; 1/2 cup (125ml) warm milk; 1/3 cup (70g) caster sugar; 125g butter; 1 egg; 1/2 tsp finely grated orange rind; 1/2 tsp ground cardamom; 3 cups (450g) plain flour; 40g butter, melted; 1 tsp ground cinnamon; 1 cup (150g) icing sugar mixture; 1 tbsp milk