In medium bowl, mix 1 1/4 cups flour, the granulated sugar and salt. Cut in butter, using pastry blender, until particles are size of small peas. Sprinkle with cold water, 1 tablespoon at a time, tossing with fork until all water is absorbed and dough sticks together. On lightly floured surface, shape dough into a ball. Flatten to 1/2-inch thickness, rounding and smoothing edges. Wrap in plastic wrap; refrigerate 1 hour.