A mouth-watering Zereshk Polo with Persian Saffron Chicken

Ingredients

• 400g / 2 US cups Tilda Pure Basmati Dry Rice
• 2l / 8 1/2 US cups water
• 30g / 1/2 US cup dried barberries
• 2 tbsp slivered pistachios
• 1 tbsp slivered almonds
• 4 tbsp vegetable oil
• 3 tsp sugar
• 1/4 tsp saffron
• 2 ice cubes
• 2 tbsp salt
• 4 chicken legs, skin removed (2.2 lbs / 1 kg)
• 4 tbsp tomato paste
• 1 large onion
• 475ml / 2 US cups boiled water
• 2 tsp turmeric
• 1 tsp black pepper
• Salt to taste