Leek and Tomato Gratin
This comforting Leek and Tomato Gratin is a classic German-inspired dish that combines tender leeks, juicy tomatoes, and savoury ham, all baked in a creamy sauce and topped with a golden, cheesy crust. The blend of blue cheese, mountain cheese, and breadcrumbs creates a rich flavour and crispy finish that makes this gratin irresistible. Perfect as a hearty main or a flavourful side dish, it’s easy to prepare in under 40 minutes and brings cosy, homestyle cooking straight to your table. Oma’s tip of mixing cheeses with breadcrumbs ensures the topping is never stringy, just deliciously crisp. Ideal for family dinners, comfort food nights, or when you want to serve something rustic yet special.
Servings 4
Calories 357kcal
Ingredients
- 4 large leeks about 1.2 kg
- 750 g tomatoes
- 200 g cooked ham thin slices, quartered
- 200 g heavy cream
- 1 egg yolk
- 50 g blue cheese crumbled
- 50 g mountain cheese grated, e.g. Gruyère
- 2 tbsp breadcrumbs
- Salt to taste
- Pepper to taste
- Butter for greasing the dish
Instructions
- Clean the leeks carefully without splitting lengthwise. Cut into 1–2 cm rings. Blanch in boiling water for about 2 minutes, then drain well.
- Wash the tomatoes, remove stems, and slice into rounds. Cut ham slices into quarters.
- Preheat oven to 200 °C (fan 180 °C, gas mark 3). Grease a shallow baking dish with butter.
- Layer the leeks, tomatoes, and ham alternately in the dish.
- In a bowl, whisk cream and egg yolk. Season with salt and pepper, then pour over the layered vegetables.
- Combine crumbled blue cheese, grated mountain cheese, and breadcrumbs. Sprinkle evenly over the top.
- Bake for about 20 minutes until golden brown.
Notes
Grandma’s Secret Tip:
For a crispy and tasty topping, use cheeses that don’t become stringy, such as Parmesan or aged Gouda. Mixing strong cheeses like blue cheese and mountain cheese with breadcrumbs ensures a golden crust.
For a crispy and tasty topping, use cheeses that don’t become stringy, such as Parmesan or aged Gouda. Mixing strong cheeses like blue cheese and mountain cheese with breadcrumbs ensures a golden crust.
Nutrition
Calories: 357kcal | Carbohydrates: 13g | Protein: 17g | Fat: 27g | Saturated Fat: 15g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Cholesterol: 151mg | Sodium: 783mg | Potassium: 679mg | Fiber: 2g | Sugar: 7g | Vitamin A: 2457IU | Vitamin C: 38mg | Calcium: 136mg | Iron: 1mg