Preheat oven to 350 degrees F.
Cream butter in an electric mixer using the paddle attachment on medium speed until fluffy.
Gradually add sugar and beat until combined.
Add eggs and vanilla to the mixture and continue to mix until fully incorporated.
Sift flour, baking soda, and salt together and then add to the mixture ½ a cup at a time, mixing on low until the dough is formed.
Let the dough stand for about 30 mins.
In a small bowl combine the cinnamon and sugar stirring well.
Roll a teaspoon of dough into a ball and then roll in cinnamon sugar.
Place balls of cookie dough 2 inches apart on a parchment paper lined cookie sheet
Use the flat bottom of a measuring cup to lightly press on each ball of dough and slightly flatten it.
Decorate each piece of dough with 5 sliced almonds in a star shape.
Bake for 8-10 minutes or until lightly browned around edges.
Remove from oven and let the cookie cool on the baking sheet for about 5 minutes before transferring to a cooling rack.