Chocolate Zuchini Brownies

1 1/2 c. flour
1/2 c. unsweetened cocoa
1 tsp. baking soda
1 c. sugar
1/2 c. no fat sour cream
1/2 c. water
2 tsp. vanilla
1 c. grated unpeeled zucchini
1/4 c. chopped pecans

Preheat oven to 350 degrees. Spray a 9 x 9 inch baking pan with cooking spray. In a large bowl, combine flour, cocoa, baking soda. and sugar. Add sour cream, water and vanilla. Mix well to combine. Fold in zucchini and pecans. Spread mixture evenly into prepared pan. Bake for 25 to 30 min. Cool. Cut into 16 bars.