Saute the onion and garlic with 1-2 tbsp water in a soup pot over medium heat for about 3 minutes until starting to softenAdd the carrot and celery and sauté 3-4 more minutes. Add another tbsp or 2 of water if needed so the vegetables don't stick.Add the vegetable broth, potatoes, dill, celery salt, salt and pepper.Bring to a boil, reduce heat to low and simmer for 15 minutes until potatoes are tender.Using an immersion blender, puree about ¼ - â…“ of the soup to create a thick creamy base. (alternatively, take about 2 cups of the soup and puree it in a blender and then return it to the soup pot).Add the corn and kale, stir to combine and simmer 5 more minutes to heat through.Take off heat and add coconut milk, if using.Serve with a few dashes of sriracha or hot sauce if desired.