Chocolate Zucchini Cookies

I took a box of these cookies to work and was amazed by how fast they disappeared!  I'm happy to report that they were a hit and according to my co-workers these cookies are extremely moist and delicious!

• 2 cups flour
• 1/2 cup cocoa powder
• 1 tsp baking soda
• 1/2 tsp salt
• 1 cup sugar
• 1/2 cup (1 stick) butter or margarine, softened
• 1 large egg
• 1 1/2 tsp vanilla extract
• 2 cups finely grated zucchini
• 1 cup semi-sweet chocolate chips

1. Preheat oven to 350°, and grease two cookie sheets. 
2. Combine flour, cocoa powder, baking soda, and salt in large bowl. Set aside.
3. Beat sugar and butter in bowl with electric mixer until light and fluffy. Beat in egg and vanilla extract until smooth. Beat in zucchini until well combined. Stir in flour mixture.
4. Drop cookie dough into 2-inch balls roughly 1 1/2 inches apart on prepared baking sheets. Bake 12 to 15 minutes, or until tops of cookies look dry.