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Creamy Cheesy Potato Casserole

 

Cheesy Potato Casserole – Layers of thinly sliced potatoes, cooked juicy turkey, and Colby cheese smothered in a rich cream sauce! This creamy cheesy casserole is so easy to make and the best way to feed a crowd on a budget, especially when you’re using leftover turkey! Serve with a simple tossed salad on the side and you’ve got a complete hearty meal for everyone to enjoy!

When YOU make this Potato Casserole Recipe please tag us @munchkintimeblog on Instagram, we would LOVE to see your creation! 

Creamy Turkey Potato Casserole Recipe

If you couldn’t tell by the number of casseroles I have published on my site, let me be the first to admit, I’m in love with casseroles!

From creamy chicken casserole and chicken bacon potato casserole to potato mushroom casserole and sausage potato cheese casserole, I love them all.

Casseroles have been a long standing comfort food, and the cheesier the better! This cheesy potato casserole recipe is the latest and greatest casserole perfect for feeding a family or large crowds on a dime. Most of the ingredients are probably already in your kitchen and it’s especially convenient to be able to use leftover turkey!

It’s made with a handful of simple ingredients and delivers a cream, rich, and flavorful dish that will fill the bellies of all of your loved ones.

Whether you’re looking for an easy way to use up your holiday turkey or just a quick and easy way to prepare dinner during the week, you’re going to love this turkey potato casserole!

ingredients on a cutting board

Ingredients for Creamy Potato Casserole

  • Butter: You’ll need some to grease the baking dish and the rest will be used to sauté the onion and to create a roux.
  • Diced Onion: Cooking onions and butter is always a great way to bring out their flavor.
  • Flour: Using all-purpose flour will help to thicken the sauce so it’s not too runny when added to the casserole.
  • Milk & Heavy Whipping Cream: Both add richness to the sauce and once added to the flour and butter roux, it is what thins it out just a bit.
  • Potatoes: Peeled and sliced. Use a mandolin for even slices if you have one.
  • Cooked Turkey: This is a great opportunity to use leftover holiday turkey from Thanksgiving or Christmas! You can use diced or shredded turkey breast, it’s up to you.
  • Colby Jack Cheese: Freshly grated Colby Jack adds a cheesy element that also provides a mild and mellow flavor.
  • Salt & Pepper: To taste
  • Greens: For garnish. Fresh parsley or chives are always nice with a creamy dish.
saute onion with butter

How to Make Cheesy Potato Casserole

Step 1: Sauté the onion in melted butter over medium heat. If you’re using a cast-iron skillet, feel free to use it as your baking dish and put it right in the oven!

onion butter and flour mixed together

Step 2: Once the onions are golden, whisk in the flour and cook for 2 more minutes until the flour also turns golden.

creamy sauce

Step 3: Slowly pour in the milk and heavy whipping cream, whisking continuously for 3-4 minutes. Add the salt and pepper to the thickened sauce, and reduce the heat to low.

assembling Potato Casserole

Step 4: Grab your prepared baking dish and add ½ of the sliced potatoes to the bottom of the pan. Top that with ½ of the turkey, ½ the cheese, and then ½ the sauce mixture. Repeat with remaining ingredients.

oven baked Cheesy Potato Casserole

Step 5: Cover the dish with aluminum foil and bake for 40 minutes. Then, remove the foil and finish baking for another 20 minutes until the potatoes are tender and cooked through and the top is golden brown.

Creamy Turkey Potato Casserole

Allow it to rest for 15 minutes then garnish with your favorite greens or fresh herbs and enjoy!

Recipe Tips

  • Use any type of potatoes. Yukon Golds, red potatoes, or Russet potatoes. With Russets, you’re going to want to peel them for sure, but potatoes with thinner, more delicate skin are perfectly fine to leave on if you prefer.
  • Swap the Colby Jack with whatever cheese you have on hand. Cheddar cheese, mozzarella, and Gouda would all work.
  • Freshly grated cheese melts better. Try and shred your own from a block if you can, rather than the pre-shredded package.
  • Make sure to bake it covered at first. Since the potatoes are raw we want to contain the heat inside the dish so the potatoes have a chance to cook through and become nice and tender.
  • Store leftovers in an airtight container in the fridge for up to 3 days. You can also freeze leftovers in an airtight container or freezer bag for up to 1 month.
Creamy Cheesy Potato Casserole

FAQs

Do I have to cook potatoes first?

You don’t! This recipe is super easy and basically effortless. With that said, you can parboil them if you want to cut down on time spent in the oven. It’s an extra step that may save you a bit of time.

Can I use a different type of protein?

Sure thing. If you don’t have cooked turkey breast on hand, maybe you’ve got leftover shredded or diced chicken. Picking up a cooked rotisserie chicken from Costco is one of my go-to moves on busy weeknights!

You can also use cooked ham, bacon, or ground beef instead. Ground chicken and turkey are also options, as is Italian sausage.

Is this cheesy potato casserole gluten-free?

We use regular all-purpose flour for the roux to thicken the sauce so the recipe as written is not gluten-free. It’s an easy swap if you want to use gluten-free all-purpose flour.

How to cook a turkey breast for this turkey potato casserole?

For an easy method, I boiled the turkey breast in salt water and then used the water as broth in other recipes!


 

Creamy Cheesy Potato Casserole

Creamy Turkey Potato Casserole

Love Keil
Cheesy Potato Casserole – Layers of thinly sliced potatoes, cooked juicy turkey, and Colby cheese smothered in a rich cream sauce!
5 from 1 vote
Prep Time 10 minutes
Cook Time 1 hour 10 minutes
Total Time 1 hour 20 minutes
Course Casserole, Dinner, Main Dish
Cuisine American
Servings 4
Calories 800 kcal

Equipment

Ingredients
  

  • 4 tablespoons butter plus more for greasing
  • 1/2 onion diced
  • 1/3 cup flour
  • 2 – 3 cups milk I use 3 cups of milk
  • 1 cup heavy whipping cream
  • 2 lb potato peeled and sliced
  • 2-3 cups turkey breast cooked, you can also use chicken breast or ham
  • 2 cups colby Jack cheese grated
  • salt and pepper to taste
  • 2 tablespoons parsley finely chopped

Instructions
 

  • Preheat the oven to 400F. Melt butter in the large skillet on a medium heat. Add onion, saute it until golden color about 4-5 minutes, stirring few times.
    saute onion with butter
  • Add flour and whisk it with a wooden spoon, cook for 2 minutes or until it turns golden brown color.
    saute flour with onion
  • Slowly pour in milk and heavy whipping cream, whisk contentiously for 3-4 minutes. Add salt and pepper, reduce the heat to low.
    creamy sauce
  • Slice potato the thinner the better. Using butter grease baking dish. Add 1/2 of the sliced potato, 1/2 turkey breast, cheese followed by 1/2 of the white sauce mixture. Repeat again with the rest of the ingredients.
    assembling Potato Casserole
  • Cover with foil and bake for 40 minutes, then remove foil and bake it for another 20 minutes or until the potatoes are cooked. Garnish with parsley and enjoy!
    oven baked Cheesy Potato Casserole

Notes

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Nutrition

Calories: 800kcalCarbohydrates: 18gProtein: 48gFat: 60gSaturated Fat: 37gPolyunsaturated Fat: 3gMonounsaturated Fat: 16gTrans Fat: 0.5gCholesterol: 239mgSodium: 797mgPotassium: 655mgFiber: 1gSugar: 9gVitamin A: 2271IUVitamin C: 4mgCalcium: 669mgIron: 2mg
Tried this recipe?Let us know how it was!

 

Q. – Do YOU like this Cheesy Potato Casserole Recipe?

Let me know in the comments below, I would love to hear from you!

Thank YOU for YOUR Comment, Share & Recipe Review!

Quote of the Day

“Stop letting people who do so little for you control so much of your mind, feelings & emotions/â€. ― Will Smith.

This post was updated October 12, 2023 with new pictures. Recipe is still the same.

7 Comments

  1. Hi, thanks for the recipe, however it really needs to be made clear that the turkey should be cooked!!! For us beginner chefs, it would be much appreciated and go avoid any issues.

  2. Quick question: The turkey is not browned or cooked before it gets placed into the casserole right? It’s raw?

    • Munchkin Time

      Hi Trish! It was cooked.

      • ah i see 🙂 How’d you keep the turkey breast so moist? Did you boil or poach?

      • I just boiled it in salted water until it was cooked and used the water as a broth in different recipe. Sometimes I use store bough oven baked whole chicken from Costco and use that meat.

  3. SO beautiful!
    Thank you for sharing with the Tasty Tuesday linkup party, Love. I always look forward to your recipes!

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