Can’t get perfect bizarre fruit. By design or a bug?

Thanks - it's a good thing they can't get infected from cooking, since we don't have any control over which fruit in their inventories and refrigerator that they will use for certain dishes. I'm still annoyed with the Sim who decided that a 'normal' cow berry (the only one the family had at the time) would make good yoghurt parfait. She had perfect strawberries, but no, she uses the cow berry. (Even the toddler thought it was 'yucky'.)