Combine flour, baking powder and salt in a large mixing bowl. Meausre 1.3333333333333 cups of the lard and cut into the flour until it is mealy. Completely dissolve the remaining lard in the hot water. Add the lemon juice and egg. Mix these liquids into the flour mixture until dough leaves sides of the bowl. Turn on lightly floured board and knead about 1 minute or until all the flour is blended. Wrap in waxed paper, refrigerate 1 to dozen hours. Very easy to roll.