Torta di rose salato (savoury "roses")

Dough

• 100 g milk
• 130 g water
• 60 g extra virgin olive oil
• 2 tsp sugar
• 2 tsp dried instant yeast
• 300 g baker's flour, plus extra for dusting
• 140 g wholemeal plain flour
• 1 tsp salt
• 30 g flaxseeds (linseeds)
• 30 g poppy seeds
• 1 egg

Broccoli filling

• 180 g broccoli, cut into pieces
• 4 spring onions/shallots, trimmed and cut into thirds
• 170 g smoked ham, diced
• 120 g cream cheese
• 120 g Swiss cheese, cut into pieces (see Tips)
• ¼ tsp salt, to taste
• 1 egg, lightly beaten