Put the instant pot in mode browning
Fry the onion in a drizzle of olive oil
Add the leeks
Fry 3min
Add the mussels and white wine
Salt, pepper
Add the curry to taste
Put the lemon juice, water, and 2 tbsp cream
Put the instant pot in pressure cooking 5min
At the end of the cooking, add the other 2 tablespoons of cream
Servings 3