Autumn Pavlova with Apples, Maple Cream, and Salted Caramel

Name: Autumn Pavlova with Apples, Maple Cream, and Salted Caramel
Prep time: 2 h
Cook time: 1 h 30 min
Total time: 3 h 30 min
Cuisine: American
Ingredients: 3 medium honeycrisp or fuji apples, core removed and cut into slices; 4 tablespoons butter, melted; 1 teaspoon pumpkin pie spice; ¼ cup light brown sugar; 4 large egg whites; 1 cup confectioner's sugar; 1 teaspoon vanilla extract; 1 teaspoon cornstarch; 1 teaspoon white vinegar; 12 ounces heavy cream; ¼ cup pure maple syrup; pinch of salt; 2 tablespoon salted caramel sauce; 2 tablespoons chopped pecans