Here's another gem from AllRecipes.com (with alterations). It's a great way to get veggies into kids (even Big Guy will eat it, though he's suspicious of the green flecks in it, and rightfully so).
When the summertime approaches, I get even lazier about cooking. But this recipe easily makes two loaves so usually we'll freeze one and use the other right away. It's also an easy recipe to split up the ingredients and make one full fat loaf for your CFer and another lighter version for everyone else (see notes at end of recipe).
I've tried making this in a brownie pan too but it really works best in a glass or metal loaf pan to retain the moisture.
1 1/2 cup white flour
1 1/2 cup whole wheat flour
1 tsp each of salt, baking soda, and baking powder
3 tsp of cinnamon (if you aren't a cinnamon fan, you might want to cut this down to 2 tsp)
1 cup vegetable oil
1 cup white sugar
1 cup brown sugar
3 tsp pure vanilla extract
2 cups zucchini - this comes out to about 2 large or 4 small zucchini
1. Lightly grease and flour two 8x4 loaf pans and preheat the oven to 325 degrees F (165 degrees C).
2. Sift the flours, salt, baking powder, baking soda and cinnamon together in a bowl
3. Beat the eggs, oil, vanilla and sugar together in a large bowl. Then add the wet mixture to the sifted mixture.
4. Using the large holes of a hand grater, grate the zucchini with skin on until you have two full packed cups. Do not dry or squeeze the zucchini. Then add the zucchini to the bread batter.
5. Bake at 325 degrees for about 50-60 minutes or until tester inserted in center comes out clean. Cool in pan on rack for 20 minutes, remove the bread from the pan and completely cool.
The original recipe called for 1 cup walnuts - nuts are a great way to add a bit of fat for the CFer. Also warm it up in the microwave for a few seconds and serve with butter.
To lighten it up for other family members, try replacing the vegetable oil with applesauce but make sure its unsweetened applesauce because there is enough sugar and cinnamon in the recipe already.