Quote Originally Posted by DoctorBarbie View Post
There is a difference. It's hardly noticeable, but for a native speaker it isn't.

вкусная - while the у is emphasised, the я is slighlty emphasised in speech too - vkUsknayA
вкусное - same rule, but the last syllable is ayE, despite there being an o before e
Это орфография головного мозга.