1 cup whole wheat flour
1 cup all purpose flour
3/4 cup granulated sugar
1 1/2 teaspoons baking powder
1 1/2 teaspoons baking soda
1 teaspoon salt
2 tablespoons grated orange rind
3/4 cup orange juice
1 egg, lightly beaten
2 tablespoons vegetable oil
1 1/2 cups finely chopped rhubarb
1/2 cup chopped walnuts (optional)

Preparation Instructions:

Line 8 x 4 inch loaf pan with parchment paper; set aside.

In bowl, whisk together whole wheat and all purpose flours, sugar, baking powder, baking soda and salt.

In separate bowl, whisk together orange rind and juice, egg, and oil; add to flour mixture. Sprinkle with rhubarb and walnuts (if using); stir until moist but still lumpy. Scrape into prepared pan.

Bake in center of 350 degree oven until tester inserted in center comes out clean, about 1 hour. Let cool in pan on rack for 10 minutes. Remove from pan; set cool on rack. Serve within 24 hours. Makes 10 to 12 servings.