Stir fry the leek and onion with the olive oil. Add some salt when it starts to become transluscent to help them release their own juices so you need less oil.
Add the garlic after they are almost done.
Stir for one minute and add the potatoes cut in small chunks together with the peas.
Add the veggie stock, stir and add the liquids together with your desired amounto of salt and black pepper.
Let it simmer for 20 minutes or until the potatoes are done.
Blend with a hand blender.