Preheat oven to 325°.
Grease and flour two 9x5 inch loaf pans.
Wash zucchini dry and seed.
Grate zucchini with the skin on.
Squeeze the water out of the zucchini and dab with paper towels, or clean kitchen towel, to dry as much moisture out as possible, set aside.
In a large bowl mix the first six ingredients well, stir in Zucchini.
In a separate bowl sift together all of the dry ingredients and add to the wet ingredients.
Stir in 1 cup nuts.
Pour into prepared loaf pans and bake for 40 - 50 minutes or until toothpick inserted comes out clean.