Apple Pie Bread Pudding

Name: Apple Pie Bread Pudding
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: European, American
Ingredients: 8 cups day old French bread or brioche (cut into 1 inch cubes, about one 16 ounce loaf); 4 large eggs; 1 cup vanilla yogurt (full fat, Greek or regular); 1 cup whole milk; 1/2 cup granulated sugar (for the custard); 1 tsp ground cinnamon (for the custard); 1/2 tsp ground nutmeg; 3 medium Granny Smith apples (about 1 1/4 pounds, peeled, cored and chopped); 1/2 cup raisins (optional); 2 tbsp granulated sugar (for the cinnamon sugar topping); 1 tsp ground cinnamon (for the cinnamon sugar topping); 1/2 cup unsalted butter; 1 cup packed brown sugar; 1 cup heavy cream (35 percent); 1/4 tsp salt; 1 tsp vanilla extract