1 1/2 c. all-purpose flour, sifted
1 c. (2 sticks) salted butter, cut up
1/2 tsp. salt
1 tsp. baking soda
1 tbsp. ice-cold water

Place flour in a bowl. Make a well in the center; into it add butter, salt, baking soda and ice water. Mix by hand until dough forms walnut size pieces. Refrigerate until ready to use.