Cauliflower, Broccoli, Mustard Soup Recipe

• 50g / 2oz unsalted butter
• 1 medium red onion, finely chopped
• 1 large clove garlic, finely chopped
• ½ tsp dry English mustard powder
• 1 medium cauliflower
• 1 small head broccoli
• 1 liter/ 2 pints vegetable stock
• 1 liter/ 2 pints vegetable stock
• 1 tbsp wholegrain mustard.
• 50ml / 4 tbsp crème fraiche
• Sea salt and black pepper
• TO SERVE
• Bread croutons (see note below)
• 200g/8 oz mature cheddar cheese, coarsely grated

Directions