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Ham and Potato Au Gratin with a Crispy Parmesan Topping

Ham and Potato Au Gratin with a Crispy Parmesan Topping


  • Author: easysweetmeal
  • Total Time: 1 hour 50 minutes
  • Yield: 6 servings 1x

Description

Creamy layers of thinly sliced potatoes and savory ham are baked in a rich, cheesy sauce and finished with a golden Parmesan topping. Perfect for a comforting dinner or hearty side dish


Ingredients

Scale
  • 2 tablespoons unsalted butter (plus extra for greasing)

  • 1 medium onion, finely chopped

  • 2 garlic cloves, minced

  • 3 tablespoons all-purpose flour

  • 2 cups whole milk

  • 1 cup chicken broth

  • 2 pounds Yukon Gold potatoes, thinly sliced

  • 2 cups cooked ham, diced

  • 1 cup sharp cheddar cheese, grated

  • 1/2 cup grated Parmesan cheese

  • Salt and pepper to taste

  • 1/2 teaspoon paprika (optional)

  • Fresh parsley, chopped (for garnish)


Instructions

1. Prep the Oven and Dish

  • Preheat oven to 375°F (190°C).

  • Butter a large baking dish to prevent sticking.

2. Sauté Aromatics

  • In a saucepan, melt 2 tablespoons butter over medium heat.

  • Add chopped onion and minced garlic, sautéing until soft (about 5 minutes).

3. Make the Sauce

  • Stir in flour and cook for 1 minute.

  • Slowly whisk in milk and chicken broth.

  • Bring to a gentle boil and cook until thickened, stirring constantly.

  • Season with salt, pepper, and paprika (if using). Remove from heat.

4. Layer the Casserole

  • Arrange half of the potatoes in the greased baking dish.

  • Top with half the diced ham and half the sauce.

  • Repeat layers with remaining potatoes, ham, and sauce.

5. Bake Covered

  • Cover with aluminum foil and bake for 1 hour.

6. Add Cheese and Finish Baking

  • Remove foil and top with cheddar cheese and Parmesan cheese.

  • Return to oven and bake uncovered for 20–30 minutes, or until golden and bubbling.

7. Rest and Serve

  • Let the dish rest for 5 minutes before serving.

  • Garnish with fresh parsley.

Notes

  • Perfect for holiday brunch, post-holiday ham leftovers, or a Sunday dinner centerpiece.

  • This recipe doubles well for feeding a larger group.

  • Use reduced-sodium broth if you’re watching salt content.

  • Prep Time: 20 minutes
  • Cook Time: 1 hour 30 minutes
  • Category: Dinner
  • Method: Baked
  • Cuisine: American