Healthy red lentil soup

This is filling enough for a main course. As vary the ingredients according to what is in the fridge. A parsnip, sweet potato or ordinary potato goes well in it too.

Ingredients:
4 carrots, peeled and roughly chopped
A teaspoon of ginger - I used paste from a jar, but fresh is better if a bit fiddly
2 sticks of celery, washed and roughly chopped
A tablespoon of sweet chili jam - bought stuff is fine
2 onions
3 cloves of garlic
2 teaspoons of Marigold Swiss Bouillon Vegetable powder - or any other type of stock concentrate
3 handfuls of red lentils - not exactly scientific, but it works
Boiling water to cover

Method:
Add all the ingredients to a pot. Cover with the boiling water. Bring back to the boil and simmer for about 40 minutes.  Couldn't be simpler.