Beautiful Soup - cooking recipe

Ingredients

6 tablespoons butter (may substitute up to 3 tbsp with olive oil)
3 medium onions, chopped into 1/2-inch pieces
4 garlic cloves, minced
2 small beets, peeled and cut into 1/2-inch dice
4 -5 medium carrots, cut into 1/2- inch dice
4 stalks celery, cut into 1/2-inch pieces
1/2 medium celery root, peeled and cut into 1/2-inch dice
3/4 cup dill, chopped
2 quarts beef or 2 quarts chicken stock
1 (28 ounce) can diced tomatoes with juice
1 orange, zest of, finely grated
1 orange, juice of
salt & freshly ground black pepper
sour cream, for garnish

Preparation

Place flameproof casserole or other deep, wide pan over low heat and add butter or butter-oil mixture. When butter has melted, add onion and garlic; saute until soft but not browned.
Increase heat to medium-high and add beets, carrots, celery, celery root and half the dill. Saute, adjusting heat as needed, until vegetables have released their liquid, dried and start to turn golden but not brown, about 20 minutes.
Add stock and tomatoes with their juice, and bring to a boil. Reduce heat and cook until vegetables are soft, about 45 minutes. Add orange zest and juice, and remaining dill. Season with salt and pepper to taste. To serve, ladle into bowls and top each with a dollop of sour cream. Serve with hunks of bread.