Preheat oven to 350 degrees F. Line muffin pans with paper liners
In a large bowl, combine sugar, eggs, oil, and vanilla and whisk together well. Mix in sweet potato puree and water and combine thoroughly. Add zucchini and mix well.
In a medium bowl, mix together flour, baking powder, baking soda, salt, cinnamon, nutmeg, allspice, ginger, and cloves.
Add dry mixture to wet mixture and incorporate well without overmixing.
Scoop out batter into muffin tin, filling each spot approximately 2/3 full.
Place in the oven for 20 minutes, until golden brown and a toothpick comes out clean.
Allow to cool before serving.