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Creamy Diane Potato Bake Recipe

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4 from 38 reviews

  • Author: Sara
  • Total Time: 1 hour 30 minutes
  • Yield: 8 servings
  • Diet: Vegetarian

Description

This rich and comforting Creamy Diane Potato Bake features thinly sliced potatoes layered with a luscious Diane-style sauce composed of garlic, Dijon mustard, Worcestershire sauce, and herbs. Topped with a blend of sharp cheddar and Parmesan cheese, then baked to golden perfection, this dish makes an ideal side for family dinners, holidays, or special occasions.

Ingredients

Potatoes

  • 2 lbs (900 g) potatoes, thinly sliced

Sauce & Flavorings

  • 2 tbsp butter
  • 2 cloves garlic, minced
  • 1 tbsp Dijon mustard
  • 1 tsp Worcestershire sauce
  • 1½ cups heavy cream
  • ½ cup chicken broth
  • 1 tsp dried parsley
  • ½ tsp salt
  • ¼ tsp black pepper

Cheeses

  • 1 cup shredded cheddar cheese
  • ½ cup grated Parmesan cheese

Instructions

  1. Preheat and Prepare Dish: Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish to prevent sticking.
  2. Make the Sauce: In a medium saucepan, melt the butter over medium heat. Add the minced garlic and cook for about 30 seconds until fragrant. Stir in the Dijon mustard, Worcestershire sauce, heavy cream, chicken broth, salt, black pepper, and dried parsley. Let this mixture simmer gently for 2 to 3 minutes, stirring occasionally to combine and slightly thicken the sauce.
  3. Layer Potatoes and Sauce: Arrange half of the thinly sliced potatoes evenly in the bottom of the prepared baking dish. Pour half of the cream sauce over the potatoes to coat them well.
  4. Repeat Layers: Add the remaining potato slices on top, then pour the rest of the cream sauce evenly over the top layer.
  5. Add Cheese Topping: Sprinkle the shredded cheddar cheese and grated Parmesan evenly across the surface of the layered potatoes and sauce.
  6. Bake Covered: Cover the dish tightly with aluminum foil and bake in the preheated oven for 45 minutes. This initial covered baking time allows the potatoes to cook thoroughly and soak up the creamy flavors.
  7. Bake Uncovered: Remove the foil and continue baking for an additional 20 to 25 minutes, until the top is golden, bubbly, and the potatoes are tender when pierced with a fork.
  8. Rest and Serve: Let the bake stand for 10 minutes after removing from the oven. This rest period helps the sauce to thicken slightly, making for easier slicing and serving.

Notes

  • For best results, use Yukon Gold or Russet potatoes due to their creamy texture and ability to hold shape when baked.
  • Add cooked bacon or caramelized onions to the layers for extra depth of flavor.
  • Allow the casserole to rest before slicing to prevent it from falling apart and to achieve neat, clean portions.
  • Prep Time: 20 minutes
  • Cook Time: 1 hour 10 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: Australian-Inspired

Find it online: https://sarasplate.com/creamy-diane-potato-bake-recipe/