Creamy Potato Bake

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Rich, comforting, and layered with tender potatoes and bubbling cheese, a homemade creamy potato bake is the ultimate comforting side dish. Whether you call it au gratin or scalloped potatoes, it’s a foolproof crowd-pleaser that pairs wonderfully with everything from roasted meats to cozy soups.

Creamy Potato Bake

Ingredients

  • 3 lbs Yukon Gold or Russet potatoes, peeled and sliced thin (about 1/8-inch thick using a mandoline for even cooking)
  • 1.5 cups heavy cream (or half-and-half)
  • 1 cup whole milk
  • 3 cloves garlic, minced
  • 2.5 cups freshly shredded cheese (Gruyère, sharp cheddar, or a mix of both)
  • 2 tbsp unsalted butter
  • 2 tbsp all-purpose flour (optional, if you want a slightly thicker sauce)
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1/4 tsp ground nutmeg (adds a classic, subtle depth of flavor)
  • Fresh herbs: A pinch of chopped fresh thyme or parsley for topping

Step-by-Step Instructions

  1. Preheat and Prep: Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish with butter or cooking spray.
  2. Make the Garlic Cream Sauce: In a medium saucepan over medium heat, melt the butter. Stir in the minced garlic and cook for about 1 minute until fragrant. Whisk in the flour (if using) for 30 seconds, then slowly pour in the heavy cream and milk while whisking constantly. Bring to a gentle simmer, then season with salt, pepper, and nutmeg. Let it warm through for 2 minutes, then remove from heat.
  3. Layer the Potatoes: Arrange half of your thinly sliced potatoes in the bottom of your prepared baking dish, overlapping them slightly. Sprinkle half of your shredded cheese over the potatoes.
  4. Repeat and Pour: Layer the remaining potato slices on top. Pour the warm cream and garlic mixture evenly all over the potatoes, making sure it seeps down into the layers.
  5. Cover and Bake: Cover the baking dish tightly with aluminum foil (this traps steam so the potatoes cook all the way through without drying out). Bake at 375°F for 45 minutes.
  6. Brown the Top: Remove the foil, sprinkle the remaining shredded cheese evenly across the top, and return to the oven uncovered for another 20 to 25 minutes, or until the potatoes are fork-tender and the top is deeply golden-brown and bubbling.
  7. Rest and Serve: Let the potato bake rest for at least 15 minutes before slicing and serving. This allows the creamy sauce to set up so it doesn’t run all over the plate!

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