Individual Baked Croissants with Caramelized Fruit

Name: Individual Baked Croissants with Caramelized Fruit
Ingredients: 4 apples, seeded (I use Braeburn Honey Crisp or Pink Lady) and cut into 1/2-inch slices; 1/4 cup brown sugar; 1/4 cup melted unsalted butter; 2 tablespoons fresh lemon juice; 1/2 teaspoon ground cinnamon; 1/4 teaspoon ground nutmeg; 1/4 cup dark raisins; 3 large eggs, room temperature; 3/4 cup whole milk; 1/3 cup heavy cream; 1 teaspoon vanilla extract; 4 croissants sliced into 1/2 inch pieces; Greek yoghurt, creme fraiche or whipped cream (to serve); Fresh ground nutmeg (to serve)