Saute' the onion, carrots <g class="gr_ gr_157 gr-alert gr_gramm gr_inline_cards gr_run_anim Punctuation only-ins replaceWithoutSep" id="157" data-gr-id="157">and</g> celery in olive oil.
Add spices, salt, red lentils and 6 cups of the water.
Bring to a boil, cover and simmer for 30 minutes.
Watch to make sure all the water doesn't burn out and the soup doesn't stick to the bottom of the pot.
Add 2 to 4 cups of water with the salt and cook for 15 minutes.
Then add greens and cook a few minutes more.
Serve with whole grain bread or crackers.
This soup freezes well.