Heat oven to 180c

Wash the beetroot . Cut into quarters .
Place on a large piece of foil
Drizzle with oil
Salt , pepper and balsamic
Seal the foil
Bake for 40 minutes

Lay the pumpkin on a tray
Drizzle with oil and seasoning including chilli flakes if using
Bake for 20 mins

In a pan caramelise the onions in a little oil

Let the vegetables cool

Turn oven up to 200c
Roll out the puff pastry
Grease a flan tin
Lay the pastry in the flan
Prick the bottom of the case

Scatter the pumpkin ,beetroot and feta over the case

Mix the eggs and milk and season .
Pour over the vegetables

Swirl the onions through the mix . Scatter over the rosemary