Mix first 4 ingredients in a bowl; cut in butter with pastry blender til mixture is crumbly. Stir in cheese. Sprinkle cold water, 1 tablespoon at a time, evenly over surface; stir with fork til dry ingredients are moistened. Shape dough into a ball; cover and chill 1 hour.
divide dough in half; store 1 portion in refrigerator. Roll remaining half of dough to 1/4 inch thickness on lightly floured surface. Cut with a 5 inch cowboy boot cookie cutter; carefully transfer to ungreased baking sheets. Bake at 400 for 12 minutes or til lightly brown. Let cool 1 minute on baking sheets. Carefully remove to wire racks to cool. Repeat with remaining dough. Makes 1 dozen.