Preheat oven to 350 degrees. Spray a loaf pan (9x5 inch) or 4 small loaf pans with non stick spray.
In a large bowl whisk together the whole wheat flour, baking powder, salt, baking soda and garlic powder.
3 Cups whole wheat flour, 4 Teaspoon Baking Powder, 1 Teaspoon salt, ½ Teaspoon Baking Soda, ½ Teaspoon Garlic Powder
Stir in the zucchini, cheddar cheese and red onions.
1 Cup shredded zucchini, 1 Cup shredded cheddar cheese, ¼ Cup of finely chopped red onion
In separate bowl, whisk together the eggs, buttermilk, and melted butter.
2 Egg, 1 Cup buttermilk, 4 tablespoons ½ stick of butter
Pour the wet ingredients into the dry ingredients in the large bowl. Gently stir together just until moistened.
Spoon into prepared loaf pans and bake.
The large loaf will bake about 50 minutes or until a knife inserted comes out clean.
Or bake 4 mini loaves for about 20-25 minutes or until a knife comes out clean. Cool for 10 minutes. Remove from pan to cool completely.