Instructions

1. Heat oven to 350F.
2. Prepare the baking loaf pan or Gugelhupf, wiping the inside with soft butter or vegetable. Drop ½ cup of Walnut on the bottom.
3. Sift the flour, add baking soda, baking powder and salt in medium bowl, set aside.
4. Combine eggs and vanilla extract and whisk in a small bowl.
5. In another bowl mix the butter and sugar with a hand/stand mixer until fluffy.
6. Gradually combine the egg mixture with the butter and yoghurt while mixing, then add the bananas. Remove the paddles.
7. Add the flour mixture, stir with spatula, then the walnuts.
8. Drop the dough into the prepared loaf baking pan or Gugelhupf and bake for about 55 minutes. Test with a toothpick.
9. Let cool cake in the pan for 5 minutes, separate the edges with a knife.
10. Turn upside onto a wire rack and cool completely.
11. Cover with powdered sugar (optional)