1️⃣ Rub in the Butter
Place flour and salt in a bowl.Add cold butter and rub in with fingertips until the mixture resembles fine breadcrumbs.2️⃣ Add Water
Sprinkle in cold water, 1 tablespoon at a time.Mix gently with a knife until the dough just comes together.3️⃣ Form & Chill
Bring dough together into a ball (do not knead).Wrap in cling film and chill for 20–30 minutes.4️⃣ Roll & Use
Roll out on a lightly floured surface to about 3 mm thick.Line your tart tin, trim edges, and chill again for 10 minutes before baking.