Sourdough waffles

This is the most efficient way to get rid of your discarded sourdough. It is quick and easy to make and it is only based on your discarded sourdough (meaning no extra flour is added). 

I keep my sourdough at room temperature and after 2 feeds daily at the end of the week I fill my jars with discarded sourdough in the fridge. I basically collect 120-150g of discarded sourdough every single day. By the end of the week I have a considerable amount and is out of question that I would through away such an amazing ingredient. 

Lately, I used this discarded sourdough for baking these waffles. I did this recipe multiplied by 2 or even 3 times, depending on the amount of discarded sourdough I have available in the fridge. But this is just the basic recipe and can be adapted to the quantity of the available sourdough.

The raise of the waffles is due to the baking powder and not due to the sourdough. The discarded sourdough has barely few activity in it when kept in the fridge. And more, this is discarded sourdough, meaning that the sourdough raised already at peak and the bacteria consumed the sugars from the starch already. You may try to bake waffles with fresh sourdough and without baking powder but my point here was to use the discarded sourdough, not to create sourdough especially for baking these waffles.

Every time I did this recipe, I saw the bottom of the plates very very quickly. They melt in your mouth and my children love them. The sugar in the composition is kept to minimum for healthy reasons, but if you like it more sweet, you are free to add more sugar.

Just give them a try if you have some discarded sourdough. If you do not have, just bare in mind that the sourdough (at 100% hydration) is 50% water and 50% flour and you can, at any time, replace sourdough with water and flour for this recipe.

The taste of these waffles is not sour as you might think when reading this recipe. The sourness disappears through the baking leaving you with a great taste and texture. 

Well, go to the kitchen, make this recipe, call the kids to eat them and let me know about their reactions :)


  • 400g (discarded) sourdough starter
  • 2 eggs
  • 1 teaspoon baking powder
  • 30g butter (melted)
  • 30g sugar
  • a pinch of salt



  1. Heat the waffle iron.
  2. Put the sourdough in a bowl and add the eggs. Mix with a hand whisk.
  3. Add the sugar, the salt and the melted butter. Mix again manually.
  4. Pour with an ice cream scoop the butter in the hot waffle iron and close it.
  5. It takes few minutes (depending on the power or how much the iron is heated). 
  6. When browned, remove it from the iron pan and let it cool on a wire rack.  
You may serve it with powdered sugar, fresh fruits, whipped cream or any other filling you may like.


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