In medium bowl, mix 1 1/4 cups flour, 2 tablespoons sugar and the salt. Cut in butter using pastry blender (or pulling 2 table knives through ingredients in opposite directions), until particles are size of small peas. In small bowl, mix cold water and vanilla. Sprinkle over flour mixture, 1 tablespoon at a time, tossing with fork until all flour is moistened and dough almost leaves side of bowl (up to 1 tablespoon more water can be added if necessary). Gather dough into a ball; shape into flattened 5-inch round. Wrap in plastic wrap; refrigerate about 30 minutes or until firm.