zucchini brownies

I volunteered to bring snacks to group fellowship at BSF this week, so I choose Zucchini Brownies from Simply in Season. I had everything on-hand (one zucchini was enough for 2 cups) except for plain yogurt so, with Miriam's approval, I substituted the lowfat vanilla yogurt I already had and left out all of the white sugar. Also at her suggestion, I loaded the top with mini chocolate chips to add more chocolate and distract from the green zucchini shreds that poked out everywhere. They were a very big hit.