Traditional Romanian chicken noodle soup

Ingredients

• 1 whole chicken
• 3 liter water
• 1 large onion
• 1 red bell pepper
• 1 large carrot
• 100 gram celery root
• large handful of parsley and lovage/lavas
• 1 can of tomato cubes
• about 100 grams of noodles of your choice, you can also use spaghetti or vermicelli
• 1 lemon
• olive oil or any other neutral oil
• pepper and salt to taste