01 -
Lightly spray the baking dish with cooking spray to prevent sticking.
02 -
Spread the 2-inch rye bread cubes evenly across the bottom of the dish, pressing into a uniform layer.
03 -
Pulse the remaining rye bread slices in a food processor until fine breadcrumbs form; set aside for topping.
04 -
Distribute half of the sliced pastrami evenly over the bread cubes, ensuring coverage to the edges.
05 -
Evenly scatter the drained sauerkraut and diced dill pickles over the pastrami layer.
06 -
Sprinkle 1 teaspoon of caraway seeds and 1 cup shredded Swiss cheese over the sauerkraut and pickles.
07 -
Place the remaining pastrami slices over the cheese layer and press down gently to compact the layers.
08 -
Top with the remaining shredded Swiss cheese and 1 teaspoon of caraway seeds.
09 -
In a bowl, whisk together milk, eggs, Thousand Island dressing, and yellow mustard until smooth.
10 -
Pour the custard evenly over the layered ingredients, allowing it to seep into all spaces, then sprinkle the rye breadcrumbs on top.
11 -
Cover the dish tightly with foil and bake at 350°F (177°C) for 45 minutes until puffed and the cheese bubbles.
12 -
Allow the bake to rest for at least five minutes before slicing and serving warm.