Mashed Potato Gratin with Meatballs and Tomato Sauce

Mashed Potato Gratin with Meatballs and Tomato Sauce is a medium French recipe that serves 4. 670 calories per serving. Recipe by La Cuisine de Lynoucha on YouTube.

Prep: 38 min | Cook: 1 hr 13 min | Total: 2 hrs 6 min

Cost: $13.07 total, $3.27 per serving

Ingredients

  • 1 kg Potatoes (Peeled and cut into 3 cm cubes)
  • 2 gousses Garlic (Minced, one for cooking the potatoes, one for the meatballs)
  • 1 c. à soupe Salt (Table salt)
  • 1 c. à café Black pepper (Freshly ground)
  • 400 g Ground beef (Ideally 15% fat)
  • 50 g Breadcrumbs (Stale bread or store‑bought breadcrumbs)
  • 1 unité Egg (Lightly beaten)
  • 2 c. à soupe Fresh parsley (Chopped)
  • 1 c. à café Herbes de Provence (Blend of dried herbs)
  • 1 petit Onion (Finely chopped)
  • 2 c. à soupe Olive oil (For cooking the meatballs)
  • 400 g Canned crushed tomatoes (No added salt)
  • 1 pincée Espelette pepper (Optional, for a slight heat)
  • 1 unité Bay leaf (Remove at the end of cooking)
  • 100 ml Whole liquid cream (To incorporate into the mash)
  • 100 g Grated cheese (Gruyère) (For gratin topping)
  • 20 g Butter (To grease the gratin dish)
  • 1 c. à café Provençal persillade (Mix of parsley and dried garlic, optional)

Instructions

  1. Cut the potatoes

    Peel the potatoes then cut them into approximately 3 cm cubes.

    Time: PT10M

  2. Cooking the potatoes

    Place the cubes in a large pot of salted water, add one garlic clove and pepper. Bring to a boil then cook 25 minutes until tender.

    Time: PT25M

  3. Prepare the meatball filling

    In a bowl, combine the ground meat, breadcrumbs, beaten egg, minced garlic, chopped onion, parsley, Herbes de Provence, salt and pepper. Mix vigorously until a homogeneous consistency is achieved.

    Time: PT10M

  4. Form the meatballs

    Shape medium‑to‑large meatballs with slightly moistened hands.

    Time: PT5M

  5. Brown the meatballs

    Heat 2 tbsp olive oil in a skillet over medium heat. Add the meatballs and brown on all sides for 5 minutes.

    Time: PT5M

    Temperature: moyen

  6. Set aside the meatballs

    Remove the browned meatballs and place them on a plate, cover with aluminum foil to keep warm.

    Time: PT2M

  7. Sauté aromatics

    In the same skillet, add the remaining onion and garlic, sauté for 3 minutes until translucent.

    Time: PT3M

    Temperature: moyen

  8. Prepare the tomato sauce

    Pour in the crushed tomatoes, add salt, pepper, Espelette pepper and the bay leaf. Simmer over medium heat for 20 minutes, stirring occasionally, until reduced.

    Time: PT20M

    Temperature: moyen

  9. Mash the potatoes

    Drain the cooked potatoes, mash them using a potato ricer. Incorporate the liquid cream, adjust seasoning and optionally add a bit of grated cheese for extra creaminess.

    Time: PT5M

  10. Preheat the oven

    Preheat the oven to 200°C for 5 minutes.

    Time: PT5M

    Temperature: 200°C

  11. Butter the gratin dish

    Generously butter the bottom and sides of the gratin dish.

    Time: PT3M

  12. Assemble the gratin

    Spread the mashed potatoes in an even layer at the bottom of the dish. Arrange the meatballs on top, drizzle with reduced tomato sauce, sprinkle with grated cheese and dust with Provençal persillade.

    Time: PT5M

  13. Gratin in the oven

    Place the dish in the oven and bake for 20 minutes until the cheese is nicely browned and bubbling.

    Time: PT20M

    Temperature: 200°C

  14. Rest and serve

    Remove the gratin from the oven, let rest for 5 minutes before serving with a green salad.

    Time: PT5M

Nutrition Facts

Calories
670
Protein
27g
Carbohydrates
54g
Fat
27g
Fiber
2.5g

Dietary info: Contains meat, Contains dairy, Contains gluten

Allergens: Gluten (breadcrumbs), Milk (cheese, cream), Egg

Last updated: April 7, 2026

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Mashed Potato Gratin with Meatballs and Tomato Sauce

Recipe by La Cuisine de Lynoucha

A comforting gratin where creamy mashed potatoes welcome golden meatballs, all topped with a reduced tomato sauce and baked with cheese. Ideal for a simple yet tasty family meal.

MediumFrenchServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
50m
Prep
1h 13m
Cook
15m
Cleanup
2h 18m
Total

Cost Breakdown

$13.07
Total cost
$3.27
Per serving

Critical Success Points

  • Cook the potatoes until tender
  • Reduce the tomato sauce until thick
  • Brown the meatballs to form a crust
  • Gratin until the cheese is nicely browned

Safety Warnings

  • Be careful of hot oil splatters when browning the meatballs
  • Use kitchen gloves or a thick towel to handle the hot dish out of the oven
  • Use a sharp knife to avoid slipping

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