Hearty Vegetables: Cauliflower Cream Cheese Soup

Ingredients

• 4 tablespoons butter
• 1 onion
• 2 cloves garlic
• 1 bay leaf
• 1 large cauliflower
• 1 baking potato
• 2 cups milk
• 3 cups vegetable stock
• 1 1/3 cups cream cheese
• 1 teaspoon English mustard
• Flaked sea salt and freshly ground pepper
• 1 tablespoon nigella seeds
• 4 large onions
• 3 tablespoons olive oil
• handful thyme sprigs