Tangy Reuben Casserole: My Go-To Sauerkraut Recipe! - Taste…

Ingredients

• 1 tablespoon unsalted butter (15g)
• 1 medium yellow onion, chopped (approx. 1 cup)
• 1/2 cup all-purpose flour (60g)
• 2 cups milk (475ml)
• 1/4 teaspoon ground black pepper
• 1/4 teaspoon salt
• 1 cup sour cream (240ml)
• 1 pound corned beef, cooked and diced (450g)
• 1 (14-ounce) can sauerkraut, well drained (397g)
• 8 ounces Swiss cheese, shredded (225g)
• 1/2 cup Thousand Island dressing (120ml)
• 1 cup rye bread cubes (approx. 4 slices)
• 2 tablespoons melted butter, for rye bread (30g)