Apple Crumble Tart

Name: Apple Crumble Tart
Prep time: 45 min
Cook time: 1 h
Total time: 1 h 45 min
Cuisine: American
Ingredients: ¼ cup unsalted butter (room temperature); ½ cup all- purpose flour; 3 tablespoons brown sugar; ½ teaspoon cinnamon; ¼ teaspoon nutmeg; ¼ teaspoon salt; 5 Fuji apples (cored and thinly sliced); ⅓ cup brown sugar; 1 tablespoon apple cider vinegar; 1 teaspoon cinnamon; 1 teaspoon vanilla extract; 2 tablespoons butter (cold and cut into small cubes); 1 ⅓ cup all-purpose flour; ¼ cup brown sugar; ½ teaspoon salt; 10 tablespoons unsalted butter (melted and slightly cooled)