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Rustic Potato Gratin with Chorizo and Tomato Béchamel

This isn’t your average gratin. Imagine tender layers of potatoes, slices of spicy chorizo, and a rich, creamy tomato-infused béchamel sauce baked until bubbly and golden. It’s rustic, hearty, and full of warm Mediterranean flavor — perfect for cozy dinners or impressing guests.

Ingredients

(Serves 4–6)

🥔 For the gratin:

  • 2 lbs (900g) potatoes (Yukon Gold or Russets), thinly sliced

  • 6 oz (170g) cured Spanish chorizo, sliced into thin rounds

  • 1 1/2 cups shredded cheese (Gruyère, Manchego, or mozzarella)

  • Salt & pepper, to taste

  • Fresh thyme or parsley (optional, for garnish)

🍅 For the tomato béchamel:

  • 2 tbsp butter

  • 2 tbsp all-purpose flour

  • 1 1/2 cups milk (warm)

  • 1/2 cup tomato passata or purée

  • 1/2 tsp smoked paprika

  • 1 garlic clove, minced

  • Salt & pepper, to taste

  • Pinch of chili flakes (optional)

Instructions

🍅 1. Make the tomato béchamel:

  • In a saucepan, melt the butter over medium heat.

  • Whisk in the flour and cook for 1–2 minutes until it forms a light roux.

  • Gradually whisk in the warm milk until smooth and thickened.

  • Stir in the tomato puree, garlic, paprika, salt, pepper, and chili flakes.

  • Simmer for 2–3 minutes, then remove from heat.

🔪 2. Assemble the gratin:

  • Preheat oven to 375°F (190°C).

  • Grease a baking dish (around 9×13″).

  • Layer half the potatoes, season lightly with salt and pepper.

  • Top with half the chorizo slices and a third of the cheese.

  • Spoon over half the tomato béchamel.

  • Repeat with remaining potatoes, chorizo, and béchamel. Finish with the rest of the cheese.

🔥 3. Bake:

  • Cover with foil and bake for 30 minutes.

  • Remove foil and bake for another 20–25 minutes, until golden, bubbling, and potatoes are tender.

  • Let rest 5–10 minutes before serving.

Notes

  • A crisp green salad

  • Roasted vegetables

  • A glass of red wine or sparkling water with citrus