Preheat oven to 375 degrees F. Line baking sheet with parchment paper.
In a large bowl, mix together the shortening, peanut butter, brown sugar, and 1 cup white sugar until blended. Add in the eggs one at a time, beating until mixed in. Add the milk and vanilla extract.
In a large bowl combine the flour, baking soda, and salt. Slowly add the peanut butter mixture until blended.
Shape tablespoonfuls of dough into balls and roll in remaining white sugar. Place cookies 2 inches apart on the prepared baking sheets.
Bake for 10-12 minutes. Remove from oven and immediately press a chocolate kiss or peanut butter cup into each cookie. Apply the candy eyes and the red chocolate to the peanut butter cups for the noses. Break the pretzels in half and insert at the top of the cookie for the antlers.
Allow the cookies to cool before eating. Enjoy!