Step 1/10
- 240 g flour
- 3 g baking powder
- 3 g sea salt
Combine flour, baking soda and salt in a bowl.
Step 2/10
Chop the walnuts.
Step 3/10
- 125 g unsalted butter
- 100 g brown sugar
- 2 eggs
In your bowl of your stand mixer cream butter and brown sugar. Once everything is fluffy add eggs. Keep mixing.
Step 4/10
Mash bananas and add to the mixture.
Step 5/10
- 125 g sourdough starter
- 30 g honey
- 30 g extra-virgin olive oil
- 4 g vanilla sugar
Once everything is combined add sourdough starter, honey, olive oil and vanilla. Mix on medium high speed.
Step 6/10
Slow down the mixer, add flour little by little.
Step 7/10
Add chopped walnuts (leave a little bit for the top) and lemon zest and mix.
Step 8/10
Add the mixture into a buttered baking pan and sprinkle with walnuts.
Step 9/10
Bake 60 min in 180C.
Step 10/10
Once done, cool completely before slicing.