Gratin de potimarron aux lardons fumés La recette fondante et ultra gourmande

Ingredients

• 1.3 kg Potimarron (red kuri squash) (keep skin on; cut into 2‑3 cm cubes)
• 200 g Smoked bacon lardons (cut into small pieces if not pre‑diced)
• 300 ml Crème fraîche (full‑fat for richness)
• 100 g Emmental cheese, grated (freshly grated for best melt)
• 1 large Onion (thinly sliced)
• 1 Egg (large, room temperature)
• 0.5 tsp Nutmeg (ground, about half a teaspoon)
• to taste Salt
• to taste Black pepper (freshly ground)

Instructions

1. Prepare the potimarron

   Using a sharp chef's knife, cut the potimarron in half, remove the seeds and filaments, then slice into 2‑3 cm thick rounds and dice into uniform cubes.

   Time: PT15M

2. Slice the onion

   Thinly slice the onion on the cutting board.

   Time: PT5M

3. Render the lardons

   Heat the sauté pan over medium heat, add the smoked bacon lardons and cook until they release their fat and turn golden brown.

   Time: PT5M

4. Caramelize onion with lardons

   Add the sliced onion to the pan and sauté until the onion softens and begins to caramelize, about 3‑4 minutes.

   Time: PT5M

5. Cook the pumpkin cubes

   Add the diced potimarron to the pan, season with a pinch of salt, and cook, stirring occasionally, for about 5 minutes until the cubes start to soften and change colour.

   Time: PT5M

6. Transfer to gratin dish

   Remove the pan from heat and spread the pumpkin‑lardon mixture evenly in a greased gratin dish.

   Time: PT2M

7. Make the custard base

   In a mixing bowl, whisk together the egg, crème fraîche, a pinch of salt, freshly ground black pepper, and the ground nutmeg until smooth.

   Time: PT5M

8. Add custard to the dish

   Pour the egg‑crème fraîche mixture over the pumpkin and lardons, ensuring it reaches all corners.

   Time: PT2M

9. Top with cheese and season

   Sprinkle the grated Emmental evenly over the surface, then add a few turns of black pepper and a light dusting of nutmeg.

   Time: PT2M

10. Bake the gratin

    Preheat the oven to 200°C. Place the gratin dish in the oven and bake for 30 minutes, or until the top is golden and the custard is set and bubbling.

    Time: PT30M

    Temperature: 200°C

11. Rest before serving

    Remove the gratin from the oven and let it rest for 5 minutes to set before slicing.

    Time: PT5M

Nutrition Facts

Calories

400

Protein

16 g

Carbohydrates

25 g

Fat

26 g

Fiber

16 g

Ingredient Substitutions

• Instead of Potimarron (red kuri squash): Butternut squash, Hokkaido pumpkin
• Instead of Smoked bacon lardons: Pancetta, Regular bacon
• Instead of Crème fraîche: Heavy cream mixed with a splash of lemon juice, Sour cream
• Instead of Emmental cheese, grated: Comté, Mozzarella
• Instead of Onion: Shallot, Leek
• Instead of Egg: Egg substitute (for binding only)
• Instead of Nutmeg: Mace

Equipment Needed

• Chef's Knife
• Cutting Board
• Sauté Pan
• Wooden Spoon or Spatula
• Mixing Bowl
• Whisk
• Gratin Dish (oven‑proof)
• Oven
• Measuring Cup
• Box Grater

Critical Steps — Do Not Skip

• Cut the potimarron into uniform cubes for even cooking.
• Render the lardons properly to develop flavor without burning.
• Bake until the cheese is golden and the custard is fully set.

Chef Tips from the Video

• Use a mix of smoked and unsmoked bacon for a balanced flavor.
• A pinch of freshly grated nutmeg adds warmth without overpowering the dish.
• For extra crispness, sprinkle a thin layer of breadcrumbs on top before baking.

Troubleshooting

Storage

Refrigerator: Store leftovers in an airtight container for up to 3 days.

Freezer: Unbaked portions can be frozen for up to 1 month; bake from frozen adding 10‑15 minutes to cooking time.

Room temperature: Do not store at room temperature for more than 2 hours.

Make-Ahead Tips

• Assemble the gratin up to step 9, cover tightly, and refrigerate up to 24 hours before baking.
• If freezing, wrap the unbaked dish in foil and place in a freezer‑safe bag.

Frequently Asked Questions