Ingredient list:

1 whole orange.
1/2 cup of orange juice.
1 medium egg.
2 tablespoons of oil.
1/2 teaspoon of vanilla.
2 cups of flour.
2 1/3 cups of sugar.
2 1/2 teaspoon of baking powder.
1/2 teaspoon of baking soda.
1/2 teaspoon of salt.
6 whole prunes.

Method:

Quarter the orange and place pieces in food processor bowl; finely chop.

Add the liquid ingredients, then the dry ingredients.

Place the 6 whole prunes on top.

Pulse to mix.

Pour into a greased loaf pan.

Bake at 350F for one hour.

Source: Prune Recipes.