cooked rice • fresh, raw chopped broccoli, blanched • sour cream • mayonnaise • can of condensed cream of celery soup, (like Campbell's) • grated Cheddar cheese, divided • garlic salt • freshly cracked black pepper, or to taste • Cajun seasoning (like Slap Ya Mama), or to taste, optional • bread crumbs, or crumbled potato chips, or buttery crackers • shredded cooked chicken