Preheat the oven to 375 degrees.

Grease a 9x2 inch round cake pan.

In a bowl mix the first six ingredients.

In a mixing bowl beat the eggs with an electric blender and add the buttermilk,vanilla,canola oil,orange juice and zest.

Add the dry ingredients a little at a time.

Add the hot water and continue mixing until well combined.

Pour into the greased pan and bake for about 20-25 minutes or until a toothpick inserted in the center comes out clean.

Cool a little bit and sprinkle powdered sugar before serving.Enjoy!