Heat olive oil in a pan that can fit everything
Add onion and fry until translucent
Mix in the peas and fry some more
salt and pepper to taste
add water to the pan
cook for a bit and then remove half of the peas from the pan and blend with an immersion blender
add pasta to pan and cook for a bit
add blended peas back to pan and simmer for 10-15 minutes
Cook until it thickens, add a little water if necessary
Turn off the heat and add most of the cheese and stir it in.
Serve immediately and top with the remaining cheese.
