Chicken, silver beet and egg pides

Ingredients

• 2 cups (300g) plain (all-purpose) flour
• 1 1/2 teaspoon (7g) dry yeast
• 1/2 teaspoon salt
• 3/4 cup (180ml) water
• 1 tablespoon olive oil
• 1 medium_piece (150g) brown onion, chopped finely
• 2 cloves garlic, crushed
• 4 (320g) stalks silver beet (swiss chard), shredded
• 1 1/2 cup (240g) shredded cooked chicken
• 2 teaspoons ground coriander
• 2 tablespoons pistachios, roasted, chopped
• 1/2 cup fresh coriander (cilantro), coarsely chopped
• 4 eggs, beaten lightly
• 1 teaspoon each nigella
• 1 teaspoon sesame seeds