Chocolate Chip Bundt Cake

1 box yellow cake mix
1/2 cup sugar
1 box instant chocolate pudding
3/4 cup veg oil
3/4 cup water
4 large eggs
1 cup sour cream
1 package semi-sweet choc chips (12 oz)
1 teaspoon vanilla extract
sifted powder sugar

Preheat oven to 350 degrees. Ina large bowl, combine cake mix, sugar and pudding mix. Stir with a wire wisk to remove lumps. Add oil, eggs, water and sour cream; stir until smooth. Stir in vanilla and choc. chips. Pour into greased and floured bundt or tube pan (or use Pam for baking). Bake 1 hour or until wooden pick comes out clean. Cool and remove from pan. Let cool completely and sprinkle with sifted powdered sugar.