Step 1

Cream butter and sugars in a large mixing bowl. Beat in egg and vanilla.

Step 2

Whisk together flour, baking powder, soda, salt, and cinnamon. Stir into creamed mixture. (Dough will be very stiff.)

Step 3

Add the grated zucchini and stir till well combined.

Step 4

Drop by spoonfuls onto well greased or parchment lined cookie sheets. Bake at 375° for about 12 minutes or till bottoms are golden brown and tops are set.

Step 5

Cool on pan for a couple minutes. then remove to cooling racks. Cool completely, then frost.

Step 6

Beat cream cheese and butter till smooth and creamy. Add the powdered sugar and vanilla and beat till smooth. Frost cookies.