Creamy Scalloped Potatoes with Parmesan and Thyme Recipe

Introduction

Creamy scalloped potatoes are a comforting classic that’s perfect for family dinners or special occasions. Thinly sliced Yukon gold potatoes are baked in a rich, garlicky cream sauce with Parmesan and thyme, resulting in a golden, cheesy dish that melts in your mouth.

A white rectangular baking dish filled with creamy scalloped potatoes arranged in a single layer, each potato slice golden brown and slightly crispy on top with melted cheese. The dish has a few sprigs of green thyme placed gently on top as decoration, and it sits on a soft beige cloth. The background is a white marbled texture. Photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 5 pounds Yukon gold potatoes, thinly sliced (about 1/16 inch)
  • 2 tablespoons unsalted butter
  • 2 cloves garlic, minced or pressed
  • 1 tablespoon all-purpose flour
  • 1 cup heavy cream (or substitute with whole milk or half-and-half)
  • ½ cup grated Parmesan cheese (plus more for topping)
  • 1 teaspoon fresh thyme (or ½ teaspoon dried thyme)
  • ½ teaspoon kosher salt
  • ½ teaspoon black pepper

Instructions

  1. Step 1: Preheat your oven to 400°F (200°C) and lightly grease a ceramic baking dish.
  2. Step 2: Peel the potatoes and slice them thinly, about 1/16 inch thick, using a mandoline or sharp knife.
  3. Step 3: In a large pot over medium heat, melt the butter. Add the minced garlic and cook for 1 minute until fragrant.
  4. Step 4: Stir in the flour and cook for 1–2 minutes, forming a roux that will thicken your sauce.
  5. Step 5: Slowly whisk in the heavy cream, stirring constantly, and cook until the sauce thickens slightly, about 5 minutes.
  6. Step 6: Add the Parmesan cheese, thyme, salt, and pepper to the sauce. Stir until smooth and velvety.
  7. Step 7: Toss the sliced potatoes in the sauce, ensuring they are coated evenly.
  8. Step 8: Arrange the potatoes upright in the prepared baking dish. Pour any remaining sauce over the top and sprinkle with extra Parmesan cheese.
  9. Step 9: Cover the dish with foil and bake for 30 minutes.
  10. Step 10: Remove the foil and bake for an additional 30 minutes until the potatoes are golden and bubbling.
  11. Step 11: Let the scalloped potatoes rest for 10 minutes before serving to allow the sauce to set.

Tips & Variations

  • Use a mandoline for uniformly thin potato slices, ensuring even cooking.
  • Substitute half-and-half or whole milk for heavy cream to reduce richness if preferred.
  • Add a pinch of nutmeg to the sauce for a warm, subtle spice.
  • Mix in shredded Gruyère or cheddar cheese for a different cheesy flavor.
  • Use fresh herbs like rosemary or sage instead of thyme for a flavor twist.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven at 350°F (175°C) covered with foil until warmed through, or microwave in short intervals, stirring occasionally to keep the sauce creamy.

How to Serve

A white rectangular dish filled with golden, baked scalloped potatoes layered evenly. The top layer has thin, round potato slices browned in spots with some melted cheese showing a crispy texture. A few sprigs of fresh green thyme are placed on the center of the dish for decoration. The dish rests on a white marbled surface with a beige cloth partially visible underneath. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I prepare scalloped potatoes ahead of time?

Yes, you can assemble the dish a few hours before baking. Keep it covered in the refrigerator and bake just before serving, adding a few extra minutes to the baking time if chilled.

What is the difference between scalloped and au gratin potatoes?

Scalloped potatoes are baked in a creamy sauce without bread crumbs, while au gratin potatoes usually include cheese and sometimes a breadcrumb topping for extra crispiness.

Print

Creamy Scalloped Potatoes with Parmesan and Thyme Recipe

This recipe for creamy scalloped potatoes offers tender, thinly sliced Yukon gold potatoes baked in a rich, velvety Parmesan cream sauce infused with garlic and thyme. Perfect as a comforting side dish, these scalloped potatoes are baked until golden and bubbling, then rested for the ideal creamy texture.

  • Author: lina
  • Prep Time: 20 minutes
  • Cook Time: 55 minutes
  • Total Time: 1 hour 15 minutes
  • Yield: 8 servings 1x
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

Ingredients

Scale

Potatoes

  • 5 pounds Yukon gold potatoes, thinly sliced (about 1/16 inch)

Sauce

  • 2 tablespoons unsalted butter
  • 2 cloves garlic, minced or pressed
  • 1 tablespoon all-purpose flour
  • 1 cup heavy cream (or substitute with whole milk or half-and-half)
  • ½ cup grated Parmesan cheese (plus more for topping)
  • 1 teaspoon fresh thyme (or ½ teaspoon dried thyme)
  • ½ teaspoon kosher salt
  • ½ teaspoon black pepper

Instructions

  1. Preheat and prepare baking dish: Preheat the oven to 400°F (200°C) and lightly grease a ceramic baking dish to prevent sticking and ensure even baking.
  2. Slice potatoes: Peel the Yukon gold potatoes and thinly slice them about 1/16 inch thick using a mandoline or a sharp knife to ensure even cooking and layering.
  3. Melt butter and cook garlic: In a large pot over medium heat, melt the unsalted butter, then add the minced or pressed garlic and cook for 1 minute to release its aroma without browning.
  4. Make roux: Stir in the all-purpose flour and cook for 1 to 2 minutes, stirring constantly, to form a roux that will thicken the sauce and remove the raw flour taste.
  5. Whisk in cream: Slowly add the heavy cream while whisking constantly to prevent lumps. Continue stirring until the mixture slightly thickens, approximately 5 minutes.
  6. Add seasoning and cheese: Incorporate the grated Parmesan cheese, fresh thyme, kosher salt, and black pepper into the sauce, stirring until the sauce becomes smooth and velvety.
  7. Coat potatoes with sauce: Toss the thinly sliced potatoes in the prepared cheese sauce to coat each slice evenly, enhancing flavor throughout.
  8. Arrange potatoes in dish: Place the sauced potato slices upright in the greased baking dish for an attractive presentation. Pour any remaining sauce over the top and sprinkle additional Parmesan cheese for a golden crust.
  9. Initial bake: Cover the baking dish with foil to retain moisture and bake in the preheated oven for 30 minutes to allow the potatoes to soften.
  10. Finish baking uncovered: Remove the foil and continue baking for another 30 minutes until the potatoes are tender, the top is golden brown, and the sauce is bubbling.
  11. Rest before serving: Let the scalloped potatoes rest for 10 minutes after baking to allow the sauce to thicken and set for easier serving and enhanced texture.

Notes

  • Using Yukon gold potatoes provides a creamy texture and holds shape well during baking.
  • Substitute heavy cream with whole milk or half-and-half for a lighter version but expect a less rich sauce.
  • Thinly slicing the potatoes ensures even cooking and tender layers.
  • Covering with foil initially helps the potatoes cook through without drying out.
  • Allowing the dish to rest after baking improves sliceability and flavor melding.

Keywords: scalloped potatoes, creamy potatoes, baked potato casserole, Parmesan potatoes, side dish, potato gratin

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