Which I think is obviously not okay.
I hate green beans.
Beets make me gag.
Am I sinning by not eating these things God has made?
We Christians now have the Holy Spirit and the testimony of Jesus Christ.
The sacrificial system was temporary.
Christ had to be, and is, and was the perfect sinless and unblemished "Lamb of God" so he could be the perfect sacrifice to atone for our sins on the cross.
Peter had a vision and three times he heard and saw the Lord tell him the once unclean animals were declared clean and said
"Get up Peter, kill and eat."
What faith was Peter raised in?
Peter was raised a Jew.
Acts 10:15 (NASB)
God knew to prohibit easy to spoil foods for a forty year desert trip.