Tomato-Potato Gratin

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Tomato-Potato Gratin

Recipe Intro From shewillevolve

This Tomato-Potato Gratin is the ultimate comfort food—featuring thinly sliced potatoes baked in layers with a creamy garlic tomato sauce and a blend of mozzarella and Gruyère cheese. Made with rich, flavorful Tuttorosso Crushed Tomatoes, this baked potato casserole is hearty, cheesy, and perfect for holidays, Sunday dinners, or anytime you want a satisfying side dish. The tomato-cream mixture adds tang and depth, while the golden, bubbly top makes it truly irresistible.

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Prep time: 15mins
Cook time: 1hr 15mins
Serves or Makes: 8–10 servings

Recipe Card

ingredients

  • 7 to 8 large potatoes, thinly sliced
  • 3 1/2 cups Tuttorosso Crushed Tomatoes, divided
  • 1/2 cup heavy cream
  • 3 to 4 cloves garlic, minced
  • 1 1/2 cups mozzarella cheese, shredded
  • 1 cup Gruyère cheese, shredded
  • 1 1/2 teaspoons kosher salt
  • 3/4 teaspoon freshly ground black pepper
  • 1 teaspoon dried oregano
  • 1/3 cup chopped fresh parsley, plus more for garnish

Method

  • Step 1

    Preheat oven to 375°F. Lightly grease a 9 x 12-inch deep baking dish.

  • Step 2

    In a mixing bowl, stir together 3 cups crushed tomatoes, heavy cream, garlic, salt, pepper, oregano, and 3 tablespoons of chopped parsley.

  • Step 3

    Spread ½ cup crushed tomatoes on the bottom of the baking dish.

  • Step 4

    Add a layer of thinly sliced potatoes.

  • Step 5

    Spoon a portion of the tomato-cream mixture over the potatoes.

  • Step 6

    Sprinkle a mix of mozzarella and Gruyère cheese on top.

  • Step 7

    Repeat these layers until all ingredients are used, finishing with cheese on top.

  • Step 8

    Cover tightly with foil and bake for 50–60 minutes, until the potatoes are fork-tender.

  • Step 9

    Remove foil and bake uncovered for another 15–20 minutes, or until the top is golden and bubbling.

  • Step 10

    Let the gratin rest for 10 minutes to set.

  • Step 11

    Garnish with fresh parsley and optional grated Parmesan cheese before serving.

Video

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