Cauliflower And Arugula Soup Recipe

Ingredients

• 1 tablespoon vegetable oil
• 1 onion
• 2 cloves garlic
• 1 stalk celery
• 1 carrot
• 1 large floury potato
• 1 large head cauliflower
• 1 bay leaf
• 1/2 teaspoon thyme leaves
• 1 quart good-quality vegetable stock
• 1 pint skim milk
• 1 teaspoon ground cumin
• 2 handfuls arugula leaves
• 1/2 teaspoon ground white pepper