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5 from 1 vote

Corned Beef Tater Tot Hotdish (Casserole) – Recipe

This Midwestern tater tot casserole recipe is the real deal with loads of corned beef, creamy gravy, smoked Swiss cheese, then topped with tater tots and baked golden. Perfect for leftovers!
Prep Time10 mins
Cook Time40 mins
Total Time50 mins
Course: Main Course
Cuisine: American
Servings: 6
Calories: 495kcal


  • 4 tablespoons butter divided
  • 1 small onion chopped
  • 2 jalapeno peppers chopped
  • 1 celery stalk chopped
  • 2 small yellow potatoes cubed
  • 3 cloves garlic chopped
  • 3 tablespoons flour
  • 1 cup chicken broth
  • 1 tablespoon paprika
  • Salt and pepper to taste
  • 8 ounces cooked chopped corned beef or more as desired
  • 1/2 cup crema or sour cream or use heavy cream for a bit more decadence
  • 1 cup shredded smoked Swiss cheese
  • ½ bag of tater tots 16 ounces total
  • FOR SERVING: Homemade Thousand Island Dressing


  • Preheat your oven to 425 degrees F.
  • Heat a 10-inch cast iron pan to medium heat. Add 1 tablespoon butter and let it melt.
  • Add the onion, peppers, celery and cubed potatoes. Cook down for about 5 minutes to soften.
  • Add the garlic and cook another minute, stirring.
  • Add the remaining butter and let it melt through. Add the flour and stir to incorporate.
  • Reduce the heat to medium-low and keep stirring until the flour butter mixture (roux) browns a bit, about 5 minutes.
  • Add the chicken broth, paprika and salt and pepper. Stir continuously until it thickens up, about 5 minutes.
  • Stir in the corned beef and sour cream (or heavy cream), then top the whole thing with shredded cheese.
  • Top with tater tots and bake for 25 minutes, or until the tots are crispy brown.
  • Serve it up! Drizzle with Homemade Thousand Island Dressing, if desired.


Serves 4. EASY to scale it up!
Heat Level: Mild.
FOR SERVING: Try this Homemade Thousand Island Dressing Recipe.


Calories: 495kcal