Ham and Hash Brown Bake Looking for something different, I always think of Ham or baked chicken around Easter. You could probably even serve this for breakfast or brunch. You can also substitute the cornflakes with crushed potato chips or croutons and you can use plain yogurt instead of Greek yogurt. 1 (8 oz.) sour cream 1 (5.3 oz.) container plain non-fat Greek yogurt 1 (10.7 oz) can cream of celery soup ¼ cup chopped onion 1 (32 oz.) pkg.