Gingerbread Spice Cake

1 c whole-wheat flour
1 c all-purpose flour
1 tsp baking soda
1 tsp ground ginger
1 tsp cinnamon
1/4 tsp ground clovers
1/4 tsp allspice
1/4 tsp salt
3/4 c firmly packed brown sugar
1/4 c canola or vegetable oil
1 large egg
1 c pureed cooked broccoli
1/2 c pureed cooked carrot
1/2 c nonfat plain yogurt
1/4 c molasses
2 tsp vanilla extract
1 Tbsp grated orange zest

Preheat oven to 375. Coat 9x5" loaf pan with cooking spray. Mix flours with baking soda, ginger, cinnamon, cloves, allspice & salt; set aside. In large mixing bowl, beat sugar, oil & egg until smooth. Beat in vegetable purees, yogurt, molasses, vanilla & orange zest. Add flour mixture and mix until smooth. Pour batter into pan and smooth the top. Bake until toothpick comes out clean when inserted into center of cake, 45-50 minutes. Cool 5 mnutes in pan before turning out onto rack to cool completely. Dust top with powdered sugar.