Step 1

Preheat oven to 350 degrees. Grease and flour a Bundt cake pan.

Step 2

In a large bowl, use an electric mixer on medium-high speed to beat together the cake mix, dry pudding mix, orange juice, oil, eggs and orange zest for about 2 minutes.

Step 3

Pour into prepared pan and bake for 40 minutes or until a toothpick inserted in the center comes out clean.

Step 4

Cool for 10 minutes in pan. While the cake is in the pan, prepare the glaze.

Step 5

To make the glaze, combine powdered sugar, orange juice and butter in a saucepan. Boil over medium heat, whisking constantly, for about 2 minutes.

Step 6

Invert the cake onto a wire cooling rack set over a foil-lined baking sheet. Use a toothpick or fork to poke holes all over the top of the cake. Slowly drizzle the warm glaze all over the hot cake, pausing to allow the glaze to soak into the cake before adding more. The warm cake will absorb a lot of the glaze, while some more glaze will also drip down the side.

Step 7

Allow the cake to cool completely before slicing and serving.