Preheat oven to 350.
Use a potato peeler to remove the rind on the zucchini.
Using a cheese grater, grate the zucchini. If using frozen zucchini, make sure it is already thawed and collect some of the water by blotting with a paper towel.
Pulse in the food processor to make small pieces.
Put zucchini in stand mixer.
Add other wet ingredients – eggs, sugar, oil, and vanilla.
Mix until combined.
Add flour, one cup at a time and incorporate between each add in.
Add in baking soda, salt, baking powder, and pumpkin pie spice mix.
Stir until all ingredients are combined.
Using a spatula, scoop all the remnants off the edges and all the way down to the bottom to make sure everything is stirred in.
Pour into a greased loaf pan.
Bake at 350 for 1 hour or until a toothpick inserted comes out clean.
Let cool for 15 minutes.
Then, turn out on a plate for foil to cool to room temp before wrapping with foil.
Can be frozen for a couple weeks if you are planning ahead.