Preheat oven to 375 F.

In a bowl, add softened butter and sugar and mix well.

Add eggs and vanilla and stir until smooth.

In another bowl, add flour, baking soda and salt and stir.

Add flour mixture to butter mixture and stir until a dough forms.

Roll dough into ~ 1-1/2 inch thick balls.

In another bowl, mix sugar and cinnamon together.

Roll the cookie dough balls in the cinnamon sugar mixture.

Place on a cookie sheet and press down slightly to form a disc shaped cookie, sprinkle a little more cinnamon sugar mixture on top.

Bake for 8-9 minutes.