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I bake a loaf of bread containing:

• 500g strong flour (1700 kcal)
• 40g butter (300 kcal)
• 24g yeast (80 kcal)

For a total of 2080 kcal.

How many calories does my finished loaf contain?

My assumption is that at most, some of the energy in the yeast will be used during the proving process but I realised I know very little about the actual processes that take place during proving and baking.

I bake a loaf of bread containing:

• 500 g strong flour (1700 kcal)
• 40 g butter (300 kcal)
• 24 g yeast (80 kcal)

For a total of 2080 kcal.

How many calories does my finished loaf contain?

My assumption is that at most, some of the energy in the yeast will be used during the proving process but I realised I know very little about the actual processes that take place during proving and baking.