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Scalloped Potatoes Au Gratin

Creamy Scalloped Potatoes Au Gratin for Effortless Comfort

Easy Scalloped Potatoes Au Gratin is a comforting side dish of creamy potatoes and cheese that transforms any meal into a cozy feast.
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Prep Time 20 minutes
Cook Time 1 hour 30 minutes
Cooling Time 15 minutes
Total Time 1 hour 45 minutes
Servings: 6 servings
Course: Dinner
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Potatoes
  • 2.5-3 lb Red Potatoes Waxy varieties hold their shape beautifully during baking.
  • 1 Onion Thinly sliced to enhance flavor.
For the Seasoning and Sauce
  • Salt To taste
  • Ground Black Pepper To taste
  • 4 tbsp Butter Adds richness; margarine can be used as an alternative.
  • 4 Garlic Minced
  • 3 tbsp All-Purpose Flour Can use gluten-free flour as an alternative.
  • 1.5 tsp Dry Mustard Powder Optional for extra flavor.
For the Creamy Base
  • 2.5 cups Half-and-Half Whole milk is a lighter substitute.
  • 1.5 cups Cheddar Cheese Shredded, sharp cheddar recommended.
  • 1 cup Gruyère Cheese Shredded, offers nutty flavor.

Equipment

  • Casserole Dish
  • saucepan
  • Mandoline

Method
 

Preparation
  1. Preheat your oven to 400°F (200°C).
    Scalloped Potatoes Au Gratin
  2. Scrub the red potatoes, then slice into 1/8-inch rounds.
    Scalloped Potatoes Au Gratin
  3. Thinly slice the onion and set aside.
    Scalloped Potatoes Au Gratin
  4. Butter the casserole dish generously.
    Scalloped Potatoes Au Gratin
  5. Melt the remaining butter in a saucepan and sauté the minced garlic for 1-2 minutes.
    Scalloped Potatoes Au Gratin
  6. Whisk in the flour and cook for 2-3 minutes to create a roux.
    Scalloped Potatoes Au Gratin
  7. Gradually add the half-and-half while whisking continuously and cook until slightly thickened (3-5 minutes).
    Scalloped Potatoes Au Gratin
  8. Stir in the shredded cheeses until melted and smooth.
    Scalloped Potatoes Au Gratin
  9. Pour the cheese sauce over the stacked potatoes and onions.
    Scalloped Potatoes Au Gratin
  10. Cover with foil and bake for 1 hour.
    Scalloped Potatoes Au Gratin
  11. Uncover and bake for an additional 20-30 minutes until bubbly and golden.
    Scalloped Potatoes Au Gratin
  12. Let cool for 15 minutes before serving.
    Scalloped Potatoes Au Gratin

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 40gProtein: 12gFat: 18gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 40mgSodium: 500mgPotassium: 800mgFiber: 3gSugar: 2gVitamin A: 500IUVitamin C: 20mgCalcium: 300mgIron: 1mg

Notes

For best results, slice potatoes evenly and monitor oven temperature. Customize flavors with herbs if desired.

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