Perfect Potato Soup

Name: Perfect Potato Soup
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: European, American
Ingredients: 6 slices thin bacon, cut into 1-inch pieces; 1 whole medium onion, diced; 3 whole carrots, scrubbed clean and diced; 3 stalks celery, diced; 6 small russet potatoes, peeled and diced; 1/2 tsp. kosher salt, plus more to taste; Black pepper, to taste; 1/2 tsp. Cajun spice mix; 8 c. low-sodium chicken or vegetable broth; 3 tbsp. all-purpose flour; 1 c. milk; 1/2 c. heavy cream; 1 tsp. minced fresh parsley; 1 c. grated cheese of your choice