Apple and Cinnamon Phyllo Tartlets

Ingredients

• 6 phyllo pastry sheets, each measuring at least 9 ½ inches
• 1 oz (25 g) unsalted butter, melted
• 2 dessert apples, halved, cored and thinly sliced
• 2 tbsp (30 mL) of caster sugar
• ½ tsp (7 mL) ground cinnamon
• 4 tbsp (60 mL) of Greek yogurt (optional)