Basic Sugar Cookies

1 stick butter (1/2 cup)
1 cup sugar
1 egg
2 teaspoons real vanilla 
1 tsp baking powder 
2 cups flour
Dash of salt

Cream butter,  sugar, and eggs until well blended, add vanilla.  Mix dry ingredients together.  Add dry ingredients a little at a time to butter mixture until all is mixed into a nice dough. Make dough into 1 inch balls and roll them in a 50/50 mix of sugar and cinnamon.  Place on ungreased cookie sheet, 2 or 3 inches apart, press down slightly and bake at 375 degrees for 7-9 minutes or until golden brown just around edges.