Caramelised apple tarts

Ingredients

• 60 gram butter
• 1/4 cup brown sugar
• 1/2 teaspoon cinnamon
• 1 apple, peeled, cored, cut into rings
• 1 pear, peeled, cored, cut into wedges
• 1/4 cup craisins
• 1/2 cup walnuts
• 1/4 cup apple sauce
• 2 teaspoon lemon juice
• 2 sheets frozen puff pastry, thawed
• 1 egg, beaten
• thick cream or pouring custard, to serve