Preheat oven to 375 degrees.
Combine all ingredients and mix well.
Roll dough into balls
Pour the extra 1/2 cup of sugar in a shallow bowl or plate.
Roll cookie dough in sugar until completely covered.
Place on cookie sheet and bake for 8-10 minutes until just before turning brown.
While the cookies are baking, unwrap chocolate hearts.
Remove cookies from oven, gently press a chocolate heart in the center of each cookie and let cool. (may use substitute Hershey's Kisses)
Allow to cool completely then melt 1/4 cup white chocolate chips in a glass bowl on medium power setting in 30 second intervals until melted.
Dip the end of a spoon in the melted white chocolate chips, then sling back and forth on the tops of cookies.(optional)