Heat oven to 400°F.

Combine 1 1⁄2 cups sugar, shortening, pumpkin puree, eggs, milk and vanilla in large bowl. Beat with electric mixer at medium speed until well blended.

Combine flour, cream of tartar, baking soda and salt in medium bowl. Add gradually to shortening mixture at low speed. Mix just until blended.

Combine remaining 1⁄4 cup sugar and pumpkin pie spice in small bowl. Shape dough into 1-inch balls. Roll in pumpkin spice/sugar mixture. Place 2 inches apart on ungreased baking sheets.

Bake 7 to 8 minutes. Cool 2 minutes on baking sheets. Place on cooling racks to cool completely.