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Scalloped Potatoes Gratin

These scalloped potatoes gratin are the ultimate side dish. Tender potato slices bake in a thick, rich cheesy sauce. Watch these disappear!
Prep Time25 minutes
Cook Time45 minutes
Total Time1 hour 10 minutes
Course: Comfort Foods, side dishes
Cuisine: American
Keyword: au gratin potatoes
Servings: 6
Calories: 595kcal


  • 3 tbsp butter plus a pat for greasing the pan
  • 3 tbsp flour
  • 1 clove garlic cut in half
  • 6 medium potatoes peeled and sliced about 1/16-inch (use a mandoline, seriously)
  • 1 1/2 cups heavy cream
  • 1 cup rich chicken stock
  • 1 cup Gouda shredded (don't use smoked gouda as it doesn't melt well) -or- Fontina
  • 1 cup grated Parmesan cheese
  • 1 tsp salt
  • 1/2 tsp pepper
  • salt & pepper to taste for the sauce


  • Preheat oven to 375 degrees F
  • Grease a 2-2 1/2 quart baking dish with the pat of butter
  • Rub the cut side of the garlic around the interior of the pan; discard garlic
  • Mix the 1 tsp salt and 1/2 tsp of pepper
  • Layer the potatoes in the pan, sprinkling with the salt/pepper mixture between layers.
  • Sauce:
  • Melt the 3 tbs butter in a large saucepan over medium-low heat
  • Mix the chicken stock and the cream together in a large measuring cup or bowl; set aside
  • Carefully mix the flour into the melted butter--you want a smooth paste, not a lumpy one
  • Let the flour/butter bubble around the sides
  • Slowly add the cream/stock mixture, stirring constantly so there are no lumps.
  • Bring to a boil, reduce heat and simmer for 3-5 minutes
  • Remove the saucepan from the heat and add the shredded Gouda; stir until cheese is melted.
  • Pour sauce over sliced potatoes in pan.
  • Top with the grated Parmesan cheese
  • Bake at 375 degrees F for 45-60 minutes.
  • Remove from oven and let the casserole stand 5-10 minutes before serving


Serving: 1serving | Calories: 595kcal | Carbohydrates: 29g | Protein: 23g | Fat: 44g | Saturated Fat: 27g | Cholesterol: 157mg | Sodium: 1112mg | Potassium: 857mg | Fiber: 4g | Sugar: 2g | Vitamin A: 1416IU | Vitamin C: 20mg | Calcium: 552mg | Iron: 6mg