French Toast Casserole

Name: French Toast Casserole
Ingredients: 10 cups good-quality French bread , sourdough , ciabatta, or challah, cubed; 1/2 cup ( 45 g ) chopped pecans; 5 large eggs; 1 1/2 cups whole milk; 1/4 cup ( 50 g) granulated sugar; Zest of 1 medium orange , finely grated (optional); 1/2 teaspoons ground cinnamon; 1/4 teaspoon kosher salt; 4 tablespoons unsalted butter, melted; 3 tablespoons (40g) dark brown sugar, packed; 1 teaspoon ground cinnamon; 1 pinch kosher salt; 1/4 cup dried cranberries; 1/4 cup powdered sugar; 1 tablespoon maple syrup