• 

  Parmesan cheese cut into pieces (approx. 3 cm)

  30 g

Pastry

• 

  plain flour plus extra to dust

  400 g
• 

  sea salt

  1 tsp
• 

  baking powder

  1 tsp
• 

  unsalted butter chilled, cut into pieces

  200 g
• 

  cold water

  100 g

Filling

• 

  onions (approx. 300 g), cut into quarters

  2
• 

  extra virgin olive oil

  50 g
• 

  fresh baby spinach leaves

  280 g
• 

  sea salt plus extra to season

  ½ tsp
• 

  ground black pepper plus extra to season

  1 pinch
• 

  nutmeg

  1 pinch
• 

  sugar

  1 tsp
• 

  ricotta (see Tips)

  200 - 250 g

Assembly

• 

  eggs

  6
• 

  egg beaten, to brush

  1