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"Freshly baked creamy au gratin potatoes in a skillet, featuring golden crispy cheese topping and garnished with parsley."

Creamy Au Gratin Potatoes

Creamy Au Gratin Potatoes are a rich, creamy, and indulgent side dish with thinly layered potatoes, a velvety cream sauce, and a golden, cheesy top. This recipe delivers the perfect balance of flavors and textures, making it a favorite for holiday dinners and potlucks.
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Prep Time 20 minutes
Cook Time 1 hour 15 minutes
Rest Time 10 minutes
Total Time 1 hour 45 minutes
Servings: 8 servings
Course: Comfort Food, Holiday Meal, Side Dish
Cuisine: American, Comfort Food
Calories: 300
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Potato Base:
  • 2 lbs Potatoes - Peel and slice ⅛ inch thick
  • 2 tbsp Butter - For the cream sauce and greasing the dish
  • 1 cup Heavy cream - Adds richness and creaminess
  • ½ cup Whole milk - Balances the richness of the cream
  • 2 tablespoon All-purpose flour - Thickens the cream sauce
  • 1 teaspoon Salt - Seasoning for the cream sauce and potatoes
  • ½ teaspoon Black pepper - For seasoning the cream sauce
  • 1 teaspoon Fresh thyme - For flavor in the cream sauce
For the Cheese Blend:
  • 1 cup Sharp cheddar - Cheese For richness and flavor
  • ½ cup Gruyere cheese - Adds nutty richness
  • ½ cup Parmesan cheese - For the topping
Optional Flavor Boosters:
  • 2 Garlic cloves - Minced or whole in the cream sauce
  • ½ teaspoon Onion powder - For flavor in the cream sauce
  • ¼ teaspoon Nutmeg - Optional adds a warm flavor
  • 2 tablespoon Fresh chives - For garnish

Equipment

  • 1 9x13 inch baking dish (Best for layering the potatoes)
  • 1 Sharp knife (For slicing the potatoes thinly)
  • 1 Large mixing bowl (For combining the cream sauce)
  • 1 Medium saucepan (For making the cream sauce)
  • 1 Whisk (For stirring the cream sauce)
  • 1 Measuring cups (For measuring ingredients)

Method
 

  1. Preheat the oven, butter the baking dish, peel, and slice the potatoes thinly.
    "Thinly sliced raw potatoes in a casserole dish being topped with shredded cheese using a wooden spoon."
  2. Melt butter, add flour, then whisk in cream and milk, seasoning with thyme.
    "Cheese sauce being whisked in a saucepan, garnished with black pepper and fresh thyme sprigs."
  3. Add a thin layer of cream sauce, followed by potatoes and cheese, repeating until finished.
    "Unbaked au gratin potato casserole in a white ceramic dish with layers of sliced potatoes, shredded cheese, chopped chives, and seasoning."
  4. Bake the dish covered for 45 minutes to cook the potatoes through.
    "Golden brown baked creamy au gratin potatoes in a foil-lined dish, topped with melted cheese, herbs, and breadcrumbs."
  5. Remove foil, add Parmesan, and bake uncovered until golden and bubbly.
    "Freshly baked creamy au gratin potatoes in a skillet, featuring golden crispy cheese topping and garnished with parsley."

Nutrition

Serving: 1servingCalories: 300kcalCarbohydrates: 30gProtein: 7gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 2gMonounsaturated Fat: 6gCholesterol: 50mgSodium: 55mgPotassium: 700mgFiber: 4gSugar: 4gVitamin A: 200IUVitamin C: 12mgCalcium: 180mgIron: 1.5mg

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.
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