01 - 
                Spray a 9x13-inch baking dish with cooking spray.
              
              
              
                02 - 
                Add about half of the bread cubes to the bottom of the prepared dish. Top with half the turkey (about 3/4 cup), half the ham (about 3/4 cup), 1/2 cup of Swiss cheese, and 1/2 cup of cheddar cheese.
              
              
              
                03 - 
                Repeat the layers with the remaining bread, turkey, ham, Swiss cheese, and cheddar cheese.
              
              
              
                04 - 
                In a large bowl, whisk together eggs and milk until well combined.
              
              
              
                05 - 
                Pour the egg mixture over the bread, meat, and cheese layers. Cover with plastic wrap and refrigerate for 1 hour or up to overnight.
              
              
              
                06 - 
                Preheat the oven to 350°F. Remove plastic wrap and bake for 40 minutes, or until the edges are golden brown and the casserole doesn't jiggle when moved.
              
              
              
                07 - 
                Let the casserole cool slightly. Dust with confectioners' sugar and serve warm with raspberry preserves.