creamy cheesy baked au gratin potatoes cooked on pit boss wood pellet grill

Creamy Horseradish Au Gratin Potatoes

Creamy Horseradish Au Gratin Potatoes

Category Bake Vegetables Holiday Season Easter
Servings 10
Prep Time 25 minutes
Cook Time 1.5 hours

Here's why you should add these cheesy, creamy Au Gratin Potatoes to your dinner menu this week: they're easy to make, delicious, and cooked on the Pit Boss! What more can you ask for?

Made with Horseradish (just trust us on this one), this recipe delivers a strong and spicy kick unlike any other Au Gratin potatoes you've had before. Add or subtract your desired amount to get the perfect balance of cheesy and spicy. 

šŸŽ„This recipe comes from our Pit Boss Fully Loaded YouTube series where you'll learn how to unlock the full potential of your grill or smoker with new recipes and strategies to cook full meals. Load those grills to the max and unleash flavor like never before with expert tips and tricks. Pit Boss Fully Loaded is your ultimate grilling guide.


Pit Boss Kitchen
creamy cheesy baked au gratin potatoes cooked on pit boss wood pellet grill


  • 5 lb. Yukon potatoes
  • Salt and Pepper, to taste
  • 1 qt. heavy cream
  • 1/4 to 1/2 cup fresh Horseradish
  • 6-10 oz. shredded white cheddar cheese

Special Tools

  • Oven-safe casserole dish
  • Medium Mixing Bowl


  1. Preheat your Pit Boss grill or smoker to 350Ā°F.
  1. Toss whole potatoes with oil, salt, and pepper.
  1. Add potatoes to a half-size pan and place on center rack. Allow to cook through, about 45 minutes.
  1. Remove from heat and allow to come to room temperature.
  1. Slice each potato into 1/4 inch thick slices and place back into your pan.
  1. In a mixing bowl, season the heavy cream to taste with salt and pepper, and add your desired amount of Horseradish.
  1. Pour the cream mixture over your sliced potatoes and top with shredded cheddar cheese.
  1. Place potatoes back on your grill and allow to cook another 45 minutes. Once your cream has thickened and the cheese is browned, remove from the grill and allow to rest for 10 minutes before serving.
  1. Enjoy!

Recipe Video