Heat large pot over medium-high. Add oil, heating until it shimmers.
Add onion and jalapeño. Sauté until soft, 6 - 8 min.
Add tortilla strips and pinch of salt, cook 1 min.
Stir in garlic, tomato paste + taco seasoning. Cook 2 - 3 min.
Add fire roasted tomatoes with juices, broth, + corn. Bring to boil. Cook 5 min.
Remove garlic cloves, smash into a paste on cutting board with spatula. Stir paste back into soup.
Add soup in batches to blender. Purée until smooth.
Add soup back to pot, stirring in ground chipotle. Add salt + pepper to taste.
Top with avocado, cilantro, corn, crispy tortilla chips, and almond sour cream.