Prep:
15 mins
Cook:
1 hr
Total:
1 hr 15 mins
Servings:
6

Ingredients

Ingredient Checklist
Instructions Checklist
  • Place potatoes into a large pot and cover with salted water; bring to a boil. Reduce heat to medium-low and simmer until tender, about 20 minutes. Drain.

  • Preheat oven to 350 degrees F (175 degrees C).

  • Grease a 1 1/2-quart baking dish.

  • Melt 3 tablespoons butter in a skillet over medium heat. Stir in the ham and onion; cook and stir until the onion has softened and turned translucent, about 5 minutes.

  • Stir potatoes into ham mixture; transfer to the prepared baking dish.

  • Melt 1/4 cup butter in a saucepan over medium heat. Stir flour into melted butter until smooth.

  • Gradually whisk milk into flour mixture; season with salt and black pepper. Continue cooking and stirring until thickened, about 2 minutes.

  • Reduce heat to medium-low and stir Cheddar cheese into the white sauce until melted.

  • Pour sauce over ham and potatoes.

  • Sprinkle bread crumbs atop casserole.

  • Bake in the preheated oven until sauce is bubbly and browned, 25 to 30 minutes.