For the soup:
2 cups celery chopped
2 cups carrots, chopped
2 cups onion, chopped
1/2 cup unsalted butter, divided in half
8 cups bone broth or meat stock, preferably homemade
4 cups Yukon potatoes, cut into 1 1/2”-pieces
1 cup raw heavy cream
1 tsp Celtic sea salt
1/4 cup arrowroot flour
For the Toppings:
1/4 cup sour cream, creme fraiche or
greek yogurt
1/2 cup raw cheddar cheese, grated
3 green onions, chopped
Freshly ground black pepper