Episode 13b – How green is sourdough, anyway?


This time I (Kris) meander on about sourdough for a while — it’s something we mentioned in our last team podcast, but I wanted to go into a bit more detail about the process and its green credentials.

The book I’ve used is Do Sourdough by Andrew Whitley; I like it for the range of recipes and useful advice on scheduling the different stages of baking.

The thing with sourdough (as with pretty much everything on our Green Snowball journey so far) is you have to plan ahead.

There are heaps of free recipes and tutorials online, like on the BBC Website, Baking Mad, and Cultures for Health (amongst many others).

Is baking your own bread green?

The Real Bread Campaign by Sustain has done the calculations on this for us!

If you’re baking bread in an oven, use the oven for other meals at the same time OR cook many loaves of bread at once.

You could also consider a breadmachine. One loaf takes 0.35 to 0.36kWh to bake in a breadmachine, compared to 1.5 to 1.6kWh for one use of an oven. The key difference here is loaf vs use: if you cook 4 to 5 loaves of bread in your oven, it’s as efficient per loaf as a breadmachine — but can you really eat that much bread?

You might find a pre-loved breadmachine on Freecycle!



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