Always wash all produce prior to preparing and cutting.
Heat oil in stock pot over medium-low heat.
Add onion, celery, carrots and garlic
When onions become translucent, add 6 cups of water.
Raise heat to medium until boiling
Add boullon cubes and blend fully.
Add potatoes and reduce heat to medium.
Allow potatoes to cook 6-8 minutes.
Add zucchini, tomatoes, salt and pepper.
Cook another 6-8 minutes and serve.
Top with cilantro and serve.