Heat oven to 400°
Mix shortening, 1 1/2 cups sugar, and eggs thoroughly.
Measure flour by dipping method or by sifting.
Blend flour, cream of tartar, soda, and salt; stir in.
Shape dough in 1" balls.
Roll in mixture of 2 tbsp.sugar and cinnamon.
Place 2" apart on ungreased baking sheet.
Bake 8 to 10 min.
These cookies puff up at first, then flatten out.