3/4 c Butter or margarine

2 1/4 c Sugar

3 Eggs

5 1/4 c Flour

3/4 ts Salt

3/4 ts Baking soda

1 tb Baking powder

1 1/2 c Sour cream

1 1/2 ts Vanilla

1/2 c Semisweet chocolate pieces

2/3 c Sugar

1 tb Ground cinnamon

Cream butter and first amount of sugar. Add eggs and mix well. Sift flour with salt, soda and baking powder. Alternately add to egg mixture with sour cream. Add vanilla and fold in chocolate pieces. Drop by heaping teaspoons onto greased baking sheets. Combine remaining sugar with cinnamon and sprinkle over each cookie. Bake at 375F 12 minutes.