Classic Flammkuchen

Dough

• 250 g baker's flour
• 120 g water
• 30 g olive oil
• ½ tsp salt

Topping

• 1 spring onion/shallot, trimmed and cut into halves
• 200 g sour cream
• 100 g ham, cut into cubes (1-2 cm)
• ¼ tsp salt
• 2 pinches ground nutmeg
• 3 pinches ground black pepper
• 1 tbsp fresh chives, finely chopped for garnishing