Spiral Vegetable Quiche – a rainbow of colour

For the base (28cm diameter)

• 250g flour
• 1 egg
• 1 egg yolk (set aside the white for the filling, below)
• 1/2tsp salt
• 100g butter (cut into small pieces)
• Butter for greasing the  base of the flan dish

For the filling:

• Approx 1 kg of vegetables of different colours, such as asparagus, carrots and swedes, green and yellow courgettes, beetroot
• 125g Leerdammer® Original
• 3 eggs plus the egg white
• 200g cream
• Salt & Pepper for seasoning
• Fresh nutmeg, ground