Preheat oven to 350 degrees. Coat bundt pan well with baking spray.

To a mixing bowl, add the bananas and mash using a fork. Add the eggs, oil, orange juice, and sour cream. Whisk until fully combined.

To a separate mixing bowl, add spelt flour, sugar, pudding, baking powder, baking soda, and salt. Mix until combined.

Slowly incorporate wet ingredients using a spatula until fully combined. Pour batter onto prepared pan.

Bake for 40 to 45 minutes, or until a toothpick inserted into the center comes out clean.

To prepare the cream cheese frosting, place ingredients into a small bowl, whisk until well combined.

Once cake cools, invert onto a cake platter and frost. Top with candied pecans if desired.