Apple Tart with Hazelnut Frangipane

Name: Apple Tart with Hazelnut Frangipane
Prep time: 15 min
Cook time: 1 h 15 min
Total time: 1 h 30 min
Cuisine: French
Ingredients: 1 cup hazelnuts (1 cup shelled hazelnuts); ¼ cup sugar (¼ cup sugar); 1 egg (1 egg); 1 tablespoon sweet butter (1 tablespoon sweet butter); ½ teaspoon vanilla extract (½ teaspoon vanilla extract); 1 puff pastry (1 Pepperidge Farm puff pastry); 4 gala apples (4 Gala apples, peeled, cores removed, and sliced in ½ inch thickness); 3 tablespoons sugar (3 tablespoons sugar); 2 tablespoons sweet butter (2 tablespoons sweet butter); 1 cup orange marmalade (1 cup Orange marmalade or jam); 2 tablespoons Calvados (2 tablespoons Calvados)