Does it taste like bread and wine to you or flesh and blood? This was the “issue” Martin Luther had.
It’s interesting to note that there have been Eucharistic miracles throughout the centuries. One of the more famous is the Miracle of Lanciano, Italy.
http://www.therealpresence.org/eucharst/mir/lanciano.html
A more recent one reportedly happened in 1996 to now Pope Francis when he was a Bishop in Argentina.
The accidents (taste, appearance, texture, etc ....) remain the same. The nature changes.