Tarte Tatin

Dough

• 200 g plain flour
• 100 g unsalted butter, diced
• 70 g water, cold
• 1 pinch fine sea salt

Caramel

• 150 g caster sugar
• 70 g unsalted butter, cold, diced
• 1030 g water
• 1 tsp lemon juice
• 4 cooking apples
• 1 Tbsp vinegar