Blue Cake

My sister liked this. I haven't had a chance to try it yet, and don't want to lose the recipe. No sugar or butter.

• Ready In: 40 mins
• Serves: 6

Ingredients

• 1⁄2 cup crushed pineapple
• 1  egg
• 1⁄2 cup  unsweetened pineapple juice
• 1⁄3 cup  orange juice
• 1  cup whole wheat pastry flour
• 1⁄2 cup unbleached white flour
• 1  teaspoon baking soda
• 1  teaspoon baking powder
• 1  teaspoon vanilla
• 1⁄2 cup fresh blueberries

Directions

1. Preheat oven to 350°F.
2. Combine the first four ingredients.
3. Mix on medium speed until well blended.
4. Combine the dry ingredients, and sift into the first mixture; beat well.
5. Gently stir in the blueberries.
6. Pour into a 8 x 8-inch baking pan.
7. Bake 20-25 minutes, or until a toothpick inserted in the center comes out clean.