Heat the olive oil in a large pot over medium heat.
Add the potatoes, celery, and shallots or red onion. Sauté for 5 minutes until the vegetables are softened.
Season with salt and pepper to taste.
Add the roasted red peppers, sun-dried tomatoes, and chicken or vegetable broth. Stir to combine. Bring to a boil then reduce heat to low.
Simmer for 15 minutes until the potatoes are tender.
Stir in the sour cream and cilantro. Simmer for an additional 3 minutes.
Serve immediately topped with pepper jack cheese and a side of sourdough dinner rolls.