Fruit tends to be sour on cooking, not bitter - they are different tastes. In any case the change is achieved with quiet low temperature cooking and can be achieved without obvious browning. I think the explanation is wrong.
bitter/Sour fruit
Fruit tends to be sour on cooking, not bitter - they are different tastes. In any case the change is achieved with quiet low temperature cooking and can be achieved without obvious browning. I think the explanation is wrong.