BBC Food - Recipes - Fool-proof green salad

Ingredients

• 8 tbsp extra virgin olive oil
• 3 tbsp white wine vinegar
• 1 tbsp balsamic vinegar
• 1 tbsp Dijon mustard
• 1 tbsp caster sugar
• salt and pepper , to taste
• 1 bunch fresh dill , chopped
• 8 spring onions , trimmed
• 8 celery sticks, trimmed
• 1 small fennel bulb, trimmed
• ½ large cucumber
• 200g/7oz pack mixed salad leaves
• 1 Romaine lettuce
• 100g/3½oz pack rocket or watercress