Sheet Pan Ham and Cheddar Scalloped Potatoes
These Sheet Pan Ham and Cheddar Scalloped Potatoes are irresistibly creamy, perfectly crispy, and incredibly easy to throw together.
Servings: 8
Ingredients
- 3 lbs russet potatoes peeled and thinly sliced
- 2 tsp olive oil
- 1/2 tsp salt
- 1/2 tsp pepper
- 2 cups shredded cheddar cheese
- 1/3 cup grated Parmesan cheese
- 1 cup diced ham
- 2 cups heavy cream
- 2 tsp Dijon mustard
- 3 cloves grated or minced garlic
Instructions
- Preheat the oven to 450°F. In a large bowl, toss the thinly sliced potatoes with olive oil, salt, and pepper until evenly coated.
- In a medium saucepan, combine the heavy cream, garlic, and Dijon mustard. Whisk until smooth, then heat over medium until the mixture is warm and just beginning to bubble. Remove from heat.
- Line a 9x13 sheet pan with parchment paper. Arrange half of the sliced potatoes in an even layer on the pan. Sprinkle half of the diced ham and half of the shredded cheddar cheese evenly over the potatoes.
- Layer the remaining potato slices on top, then carefully pour the warm cream mixture over the entire dish, making sure it seeps into the layers.
- Bake for 20 minutes covered. Then, remove the foil and sprinkle the remaining cheddar cheese and the Parmesan cheese on top. Return to the oven and bake uncovered for an additional 30 minutes, or until the potatoes are fork-tender and the top is golden and crispy.
- Let the dish rest for 10 minutes before serving. Finish with a sprinkle of sliced scallions or chopped chives for a fresh, flavorful finish.
Notes
✔️ Slice thin and uniform- Aim for 1/8-inch slices for even cooking and perfect layering. A mandoline makes this step quick and foolproof.
✔️ Choose pre-cooked ham for convenience- Leftover holiday ham or store-bought diced ham both work great. No extra cooking required—just dice and layer!
✔️ Don’t skip the layering- It might be tempting to mix everything together, but layering ensures the cheese melts evenly and every bite has that classic scalloped potato flavor.
✔️ Let it rest before serving- Give the dish 5–10 minutes to settle once it’s out of the oven. This helps the layers set and makes for cleaner, neater slices.