Bacon Cheeseburger Chowder

Name: Bacon Cheeseburger Chowder
Ingredients: ½ lb bacon, cut into lardons; 2 lbs ground beef; 1 white onion, large (diced); 5 cloves garlic (minced); 2 white potatoes, large (peeled and diced); 2 carrots, large (peeled and diced); 2 celery stalks (diced); 8 cups chicken broth or stock; 1 pound cauliflower (I used a frozen bag, defrosted); sea salt (to taste); fresh ground black pepper (to taste); 1 tsp dried parsley (plus more for garnish if desired ); ½ cup nutritional yeast; 3 handfuls kale, packed (destemmed and torn); red onions, for garnish (optional); sesame seeds, for garnish (optional )