Cut butter into flour and salt until mixture resembles coarse crumbs. Sprinkle
in water 1 tablespoon at a time and vanilla extract, tossing with fork until all flour is
moist and dough cleans sides of bowl. Divide dough into halves. Roll each half into
a 12 x 8-inch rectangle on board generously sprinkled with sugar. Cut each lengthwise
into 4-inch squares.
Prepare Fudge Cream Cheese Filling.
Fudge Cream Cheese Filling: Mix all ingredients together.
Drop by rounded teaspoon into 6 mounds, 1-inch apart onto 1 strip. Top with another
strip. Cut into 6 (2-inch) squares; seal edges securely. Place squares about 1 inch
apart on ungreased cookie sheet. Repeat with remaining strips and filling.