Celery Root and Potato Latkes with Smoked Salmon

Name: Celery Root and Potato Latkes with Smoked Salmon
Ingredients: 1 celery root, peeled and cut into smaller pieces; 1 lb. (500 g) russet potatoes (about 2), peeled and cut into smaller pieces; 1 yellow onion, peeled and cut into smaller pieces; 3 eggs, lightly beaten; 2 Tbs. all-purpose flour; 2 Tbs. chopped fresh chives, plus more for garnish; Kosher salt and freshly ground pepper; 4 Tbs. (2 fl. oz./60 ml) avocado oil; Crème fraîche for serving; Sliced smoked salmon for serving; Thinly sliced shallots or red onion for serving; Chopped fresh dill for garnish