In the bowl of a stand mixer, combine 1½ cups (188 grams) flour and salt. Using the paddle attachment, add cold butter, 1 cube at a time, and beat at low speed for 3 seconds after each addition. Add remaining 1 cup (125 grams) flour, 1 tablespoon (8 grams) at a time, beating until butter is pea-size. Add ¼ cup (60 grams) ice water, 1 tablespoon (15 grams) at a time, beating until a shaggy dough forms.