In food processor, pulse the flour, butter, sugar and salt until the mixture resembles coarse meal, with a few pea size clumps of butter remaining

Add 2 tablespoons of the water. Pulse until the mixture just holds together when squeezed. Add more water as necessary; do not over process.

Place the mixture on a sheet of plastic wrap. Shape it into a 1 in. thick disk, wrap tightly and chill until firm, at least one hr. and up to 3 days.