Grease 2 cookies sheets. Mix dry ingredients together well. In a large mixing bowl, beat the butter and peanut butter with an electric mixter on medium speed until very light. Sift in the powered sugar. Add brown sugar and beat until light and smooth. Beat in the egg and vanilla. Gradually beat in the dry ingredients until just mixed. Do Not Over Beat!!! Pinch off 35-40 pieces. Wrap each kiss with dough, leaving /" of kiss exposed at the tip. Place 2" apart on the cookies sheets. Bake in a preheated 350°F oven for 9-11 minutes or lightly brown on the edges. Do Not Over Bake!!! Let stand on cookie sheet 3-4 minutes, remove to rack to cool.