First, preheat the oven to 350°F (180°C). It’s essential to have the right temperature for even baking.
While the oven is preheating, grease and line a 9 x 4-inch loaf pan with parchment paper. This helps prevent sticking and makes for easy removal.
In a mixing bowl, whisk together the almond flour, coconut flour, baking powder, and allulose. Ensure everything is well mixed to avoid any clumps.
In a separate bowl, whisk together the eggs, butter, Greek yogurt, milk, and vanilla extract until smooth. This mixture should be creamy and well combined.
Now, slowly add the dry ingredients to the wet ingredients. Mix well until no dry spots remain, creating a smooth batter.
Next, fold in the shredded zucchini gently. Avoid over-mixing – just incorporate it until evenly distributed.
Transfer the batter into the lined loaf pan, spreading it evenly. Make sure it's level for consistent baking.
Bake for 45 to 50 minutes, or until a skewer or toothpick inserted comes out mostly clean. Keep an eye on the top; it should be golden brown.
Once baked, remove from the oven and let the bread cool in the pan for a few minutes. This helps it set up before transferring it to a wire rack.
Finally, let the zucchini bread cool in the pan completely before slicing. This prevents it from crumbling and ensures perfect slices.