Fiskesuppe (Norwegian Cod and Root Vegetable Chowder)

Ingredients

• 6 tbsp. unsalted butter
• 4 cloves garlic, chopped
• 2 stalks celery, chopped
• 1 small onion, chopped
• 1 green bell pepper, seeded and chopped
• 1 small leek, sliced 1/4" thick
• Kosher salt
• black pepper
• 2 medium carrots, sliced 1/4" thick
• 1 large parsnip, peeled and chopped
• 1 small celeriac, peeled and chopped
• 4 medium new potatoes, peeled and cut into 1" pieces
• 3 cups fish stock
• 2 cups milk
• 1 cup heavy cream
• 1 1⁄2 tbsp. Worcestershire sauce
• 2 lb. boneless, skinless cod fillet, cut into 2" pieces
• 1⁄3 cup dill, chopped, plus more for garnish
• 1⁄4 cup parsley leaves, chopped
• Juice of 1 lemon
• Crusty bread, for serving