cut celery up leaving the leaves aside for later

add 1 in of oil and sauté the onion and celery in the pot

once the onion is brown, add in one can of tomato paste

stir while cooking

add in one can of tomato sauce and one can of water. add in the celery leaves and simmer covered for at least one hour

cook spaghetti with salt

drain spaghetti with water

combine