Put flour in Large Mixing bowl. crack the egg in measuring cup, add salt and half & half until it comes to the 1 c. line.
Make a well in the center of flour and pour in liquid. With a spoon start encoring flour into the liquid, to form a stiff ball. You may add very small amounts of half & half to get it all mixed together. Roll into a 2 in. log, cut into before wrapping it. Put in fridge to meld while your cook up the filling.