Preheat oven to 375 degrees.
Take shredded zucchini and pat dry with multiple paper towels to remove some of the moisture,
Spray loaf pan with cooking spray.
Crack 3 eggs in a bowl and whisk. Stir in oil and vanilla. Mix in zucchini and apple.
Combine the rest of the dry ingredients in a separate bowl. Add zucchini mixture to dry mix. Stir until fully incorporated.
Add to loaf pan and bake until toothpick comes out clean, 55 minutes to an hour.
Let cool for 20 minutes. Then slice and serve.