Janssons' cold, a specialty of the Hainaut region

Janssons' cold, a specialty of the Hainaut region

Main dishes

A classic Belgian dish from the Hainaut region, Janssons’s cold potato gratin is a savory dish made with potatoes, apples, and sardines.

Enlarge photo
↓ Jump to recipe

Originating from the Hainaut region, this traditional recipe is a must-have for Christmas celebrations. It’s easy to make and will delight both children and adults.

Ingredients and directions

  • Prep time20 min
  • Cook time45 min
  • Resting20 min
  • Total1 hr 25 min
  • DifficultyEasy
  • CostBudget
  • Cooking methodfour
  • Estimated cost$7.07 $1.77 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 7, 2026.

Ingredients

4 people
  • $0.86
  • $0.29
  • $5.16
  • $0.39
  • $0.37

Prices from US supermarkets for 2 of 5 ingredients; Belgian prices for the rest.

Directions

  1. Preheat the oven to…
  2. Slice the apples into thin strips. ≈ 8 min
  3. Chop the onion into slices or finely, and the sardines as well. ≈ 8 min
  4. Grease the baking pan. ≈ 3 min
  5. Arrange the apples, onions, and sardines in layers in the baking dish (it’s important to start and end with the apples). ≈ 3 min
  6. Pour in 1.5 dl of cream. ≈ 3 min
  7. Sprinkle the breadcrumbs evenly over the surface. ≈ 2 min
  8. Grill. ≈ 3 min
  9. After approximately 30 minutes of cooking, add the remaining cream and continue to cook for an additional 15 minutes.
  10. The dish is ready when the skin is golden brown and the apples are tender. ≈ 3 min
  11. The best drink to accompany this dish is a cold beer. ≈ 3 min

The bill

Janssons' cold, a specialty of the Hainaut region

  • 8-10 garden apples$0.86
  • 2 large onions$0.29
  • 200 g of sardines (in fillets) or 15 whole sardines$5.16
  • grated bread$0.39
  • 1-2 tablespoons of butter$0.37

Total$7.07

that's $1.77 per person

Estimated price; varies by store.

Before you start

Ingredients

  • 8-10 garden apples
  • 2 large onions
  • 200 g of sardines (in fillets) or 15 whole sardines
  • 3 dl of cream
  • grated bread
  • 1-2 tablespoons of butter

The screen stays on while cooking mode is open.

🎬 Have a video of this recipe? Suggest a YouTube link

Did you film this recipe, or do you know a video that shows it? Axelle watches it before adding it to the page.

Nothing is published before approval.

✏️ A mistake, an idea for this recipe? Suggest a correction

Reviews (0)

Rate this recipe Be the first to rate it!

Your rating