Sauté onions in 2 tbs oil med-high in a pre-heated pan. Cook until soft.
Turn heat down to med. Sweat onions until transluscent
Turn heat back to med-high. Add celery & Jalapeños. Saute 2-3 min.
Toss in Tomatoes whole until soft. Remove Tomatoes and put them into a blender. Blend with 1.25 cups water to liquid.
Add tortillas to onion mix. Salt and pepper to taste for each layer of flavor.
Check dryness. If dry, add .25 cup oil.
Add chicken stock and deglaze pan.
Add blended Tomatoes (remember to Salt and pepper). Bring to a boil.
Add chicken, then bring down to a light simmer.
Add 1 cup water. Stir. If needed, add 1 more cup of water.
Add seasonings to taste and Salt and pepper, if necessary
Add cilantro & lime juice. Pay attention to water level.
Garnish with cilantro & Avocado.