Apple and Sausage French Toast Casserole with Cinnamon Syrup

Name: Apple and Sausage French Toast Casserole with Cinnamon Syrup
Ingredients: FRENCH TOAST; 1 pound loaf of challah or french bread, cubed; 8 ounces cream cheese, softened; 1/3 cup brown sugar, packed; 1 1/2 teaspoons cinnamon; 6 eggs, slightly beaten; 2 cups whole milk; 1 teaspoon pure vanilla extract; 1/2 cup seedless raisins; 5 ounces dried apples, diced; 1 granny smith apple, peeled and chopped; 1 pound breakfast sausage, cooked and crumbled; CINNAMON SYRUP; 1 cup brown sugar, packed; 3/4 teaspoon cinnamon; 1/8 teaspoon salt; 1 cup water; 1 tablespoon corn starch; 2 tablespoons unsalted butter