Heat a dutch oven over medium heat, warm the oil and coat the bottom of the pan.
Add the garlic and onion and mix until cooked. Add in the carrots, celery, basil, lemon pepper, salt, and diced tomatoes. Stir until they are all mixed.
Add in the water and the chicken broth.
Stir occasionally over medium heat until all the ingredients are soft, approximately one hour.
Puree the soup in a blender and return to the dutch oven and let it heat up once again over medium heat.
Season to taste with salt and pepper if needed.
Garnish with goat cheese, extra basil, and sour cream.
Serve immediately.