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Made this last night for the fam and we scraped the casserole got emptied out!

Ham and Potato Au Gratin is a comforting, cheesy casserole made with layers of tender potatoes, savory ham, and a rich cheese sauce. Topped with Parmesan, it's baked to golden perfection and is perfect as a hearty side dish or main course.
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Prep Time 20 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 50 minutes
Course Main Course, Side Dish
Cuisine American
Servings 6
Calories 450 kcal

Ingredients
  

  • 2 pounds potatoes peeled and thinly sliced - Aim for 1/8 inch thick slices for even cooking
  • 1 1/2 cups cooked ham diced - Adds a hearty, savory element
  • 1 small onion finely chopped - Infuses subtle aromatic flavor
  • 3 tablespoons butter - Forms the base of the cheese sauce
  • 3 tablespoons all-purpose flour - Thickens the cheese sauce
  • 2 cups milk - Creates a creamy base for the sauce
  • 1/2 teaspoon salt - Enhances the flavors
  • 1/4 teaspoon pepper - Adds subtle heat
  • 1/4 teaspoon paprika - Adds color and flavor
  • 1 cup shredded sharp cheddar cheese - Melts into the sauce for rich flavor
  • 1/2 cup grated Parmesan cheese - Creates a golden bubbly topping

Instructions
 

  • Preheat oven to 350°F (175°C) and lightly grease a 2-quart casserole dish.
  • Peel and thinly slice 2 pounds of potatoes, dice 1 1/2 cups of cooked ham, and finely chop 1 small onion.
  • Layer half of the potato slices in the casserole dish, then sprinkle with half of the ham and onion; repeat with remaining potatoes, ham, and onion.
  • Melt 3 tablespoons butter in a saucepan over medium heat, stir in 3 tablespoons flour, and cook for 1 minute.
  • Gradually whisk in 2 cups milk, simmer until thickened, then season with 1/2 teaspoon salt, 1/4 teaspoon pepper, and 1/4 teaspoon paprika.
  • Remove from heat and stir in 1 cup shredded sharp cheddar cheese until melted and smooth.
  • Pour cheese sauce evenly over the layered potatoes, ham, and onion in the casserole dish.
  • Cover with foil and bake for 60 minutes; uncover, sprinkle with 1/2 cup grated Parmesan cheese, and bake for an additional 20-30 minutes until golden brown.
  • Let cool for a few minutes before serving.

Notes

  • Add Heat: Include cayenne pepper or hot sauce for a spicy kick.
  • Vegetarian Option: Substitute ham with sautéed mushrooms and spinach.
  • Cheese Variety: Try using Gruyère, Monterey Jack, or a blend of cheeses.
  • Make Ahead: Assemble a day in advance, cover, and refrigerate until ready to bake.
  • Freezing: Leftovers can be frozen for up to 3 months.

Nutrition

Calories: 450kcal
Keyword Ham and Potato au Gratin
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