Maamoul cookies filled with dates, pistachios, and walnuts

Name: Maamoul cookies filled with dates, pistachios, and walnuts
Prep time: 25 min
Cook time: 2 h
Total time: 2 h
Yield: 45 pieces
Ingredients: 150 g white sugar; 250 g unsalted butter; 380 g plain flour; 120 g fine semolina; 40 g rose water; 80 g pitted dates; 20 g unsalted butter; ½ tsp ground cinnamon; ½ tsp rose water; 80 g shelled pistachios; 20 g honey; 1 tbsp rose water; 80 g halved walnut; 20 g honey; ½ tsp ground cardamom; 1 tbsp rose water; plain flour; icing sugar