INGREDIENTS
•
1 cup vegetable broth
•
2 cups heavy cream
•
2 large celery roots (celeriac bulbs)
•
2 tablespoons whole-grain Dijon mustard
•
1 teaspoon sea salt
•
Freshly ground pepper, to taste
•
1 teaspoon fresh thyme leaves
•
1 cup finely grated Gruyere cheese