1. Line baking sheet with parchment paper.
2. In large mixing bowl, beat butter and sugar until light and fluffy.
3. Add egg yolk, cream and vanilla.  Mix to blend.
4. Sift flour with cornstarch, fold into butter mixture until flour is blended.
5. Remove dough from mixing bowl, shape into a flat disk, wrap and chill for 30 minutes.
6. Preheat oven to 375 degrees.
7. On floured surface, roll out dough to 1/4″ thickness.  Using 1 ” snowflake cookie cutter, cut out shapes.  Place on baking sheet lined with parchment.
8. Bake cookies 12-15 minutes, making sure not to over brown cookies.
9. Remove from oven, let cookies rest 5 minutes then remove to cooling rack.
10. When cookies are fully cooled frost like poinsettias.

Frosting 

1. Cream together the butter and vegetable shortening.
2. Add in half & half, crème bouquet or vanilla and ¼ cup powdered sugar.
3. Beat until creamy add remaining confectioner’s sugar
4. Separate frosting into three bowls with ¼ cup frosting in one( for yellow centers) and the remaining frosting divided in half , tint one half with leaf green and the remaining half with soft pink and super red.
   Stir to combine using separate spoons.
   Cover frosting bowls with plastic wrap and allow to rest at room temperature over night to deepen the colors.

To Decorate:
Fill red frosting in disposable decorating bag fitted with large leaf tip # 366.
Fill green frosting in disposable decorating bag fitted with small leaf tip #352.
Fill yellow frosting in disposable decorating bag with small clip off end of bag, no tip necessary.  You can also use yellow decorating icing sugars for the center stamen.

Pipe green frosting on long points of snowflake cookie, pipe red frosting over remaining points forming 5 long poinsettia leaves, add yellow dots to center of cookie for the stamen.