this post was submitted on 17 Sep 2024
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I think you need to include energy cost in the preparation stage. Bread requires a hot oven, which is a real amount of electricity
it's close to $0.40/kWh where I live. From this link it says that a bread maker uses only .36kWh, but an electric oven would be more like 1.6kWh. So bakita single loaf of bread, you end up with a not insubstantial fraction of the total cost going to heating the oven.
Of course, many bulk foods require heat, so it gets a little sticky this way. Oats/oatmeal probably wins out here, as you can just soak them overnight.
Good point! Rice makers are super efficient, so rice made with that might be the winner. But honestly the cheap carbs you can stand and make edible cheaply are probably just what you gotta go with.
It takes less time to cook than bread, but most other proteins take a bit of time to cook as well.
energy costs could probably be significantly reduced if the cooking was done on an industrial scale, so that most of the head goes into the food