- Preheat oven to 350 degrees.
- Grease a 12 cup Bundt pan.
- In a medium bowl combine dry ingredients.
- In a large bowl blend together eggs, buttermilk, oil and orange juice concentrate.
- Add dry ingredients, mix thoroughly.
- Fold in blueberries and nuts.
- Spoon into pan.
- Bake 45 minutes or until toothpick inserted in middle of cake comes out clean.
- Cool in pan on wire rack for 1 hour before inverting onto plate.
- Garnish with whipped cream.