1. Peel and thinly slice the potatoes. Clean, wash, and finely slice the leeks.
2. Melt the butter in a pan and sauté the leek rings until translucent. Add the garlic and sauté briefly.
3. Mix the potato slices with the cream in a bowl. Add salt and pepper and mix well.
4. Place the potato-cream mixture in the air fryer and top with the leek rings. Sprinkle with half of the Gruyère.
5. Cook the gratin at 180°C for 25 minutes. Then increase the temperature to 200°C and cook for an additional 5 minutes until the cheese is golden brown.
6. Remove the gratin from the air fryer and sprinkle with the remaining Gruyère. Cook again at 200°C for 5 minutes until the cheese melts and becomes crispy.
Nutrition per serving
kcal: 350
Protein: 15 g · Fett/Fat: 20 g · Carbs: 30 g
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