Wash the potatoes, dry them, then prick each one with a fork and wrap them in foil. Place them in the air fryer basket and bake for 40 min at 160ºC (320°F).
6-8 potatoes
Once the potatoes are done and cool enough to handle, cut them into halves and set aside to cool completely.
While the potatoes are baking, heat a skillet to medium-high and add the bacon, cook for about 10 minutes, until crispy. Chop in big pieces
4-6 bacon strips
Meanwhile, peel and dice the onion. In a large saucepan, melt the butter over medium-low heat and cook the onion for about 10 minutes, until soft.
3 tablespoons butter, 1 onion
Add the potatoes to the saucepan, pour stock, bring to a boil, then reduce the heat and simmer for 10 minutes.
6 cups vegetable stock
Use an immersion blender to process the food until creamy. Adjust salt and pepper.
Salt and pepper
Serve with sour cream, crispy bacon and fresh herbs.
¼ cup sour cream, 1 small bunch of fresh parsley