Put in a crockpot and simmer on low for 8 hours, or on high for 4 hours.
On the stove, mix all ingredients and simmer until vegetables are tender.
Add the tomatoes and water to a large soup pot and bring it to boil over medium-high heat. Add the ingredients, roughly in order, and simmer on medium-low heat until vegetables are tender, about 20 minutes.
Bring water and lentils to boil in a large pot. Add vegetables in order and simmer until tender. Add seasonings and simmer a bit longer.
Saute onions and garlic until tender. Add tomatoes and saute awhile longer–maybe 10 or 15 minutes? Add sugar and spices. Saute another 10 or 15 minutes and serve over pasta.
Some optional add-ins I’ve used a couple of times when I had extra on hand: