Beef with lemon sauce

Blanch the beef for a little while.

Then sauté the onion with the beef, the pepper and the salt.

Add the lemons, the potoatoes cut into pieces and as much water as is needed to cover the potatoes. Seal the pressure cooker and let everything boil for 20 minutes.

Then, remove the lid and let it cook for about 5 more minutes for the sauce to thicken.