Pre-heat oven 325 F. In a bowl sift together flour, baking powder, and salt; set aside •Cream together butter and sugar. Add eggs (one at a time) and vanilla. Slowly mix in flour and alternating with milk. Fold in chocolate chips.
Grease a 13 x 9 baking pan. Evenly pour in the batter evenly. Bake for 60 minutes or until a toothpick comes out clean. (can be made in a tube pan)
Let cool, remove from pan, cut into squares and sprinkle with confectioners sugar.