I'd guess you've tried giving her whole foods. What is her response? If she's unable to chew and swallow then there may be something wrong.
Have you tried only serving whole foods for several days until she eats it. She may refuse at first but if she's able to eat them she eventually will because she is hungry. Perhaps she likes it pureed and if that is OK with you then continue doing it.
Have you looked at her throat. Is it red and irritated? Are her tonsils small enough to allow food to go thru?
This is way out in left field but does she talk. My grandson had difficulty with eating and wasn't talking by 3 and he is diagnosed with speech apraxia meaning that the messages from his brain don't get to the muscles in his mouth. And there is sensory processing diorder in which kids stuff their mouths full so that they can feel the food. And on the other end there are kids who ar overly sensitive to any kind of touch. Kids with sensory processing disorder can also talk. My grandson's reactions are what I best know about.