Jesus said to them, "Come and eat breakfast." Yet none of the disciples dared ask Him, "Who are You?"--knowing that it was the Lord.
John 21:12
Surrounding context
21:11 Simon Peter went up and dragged the net to land, full of large fish, one hundred and fifty-three; and although there were so many, the net was not broken.
21:12 Jesus said to them, "Come and eat breakfast." Yet none of the disciples dared ask Him, "Who are You?"--knowing that it was the Lord.
21:13 Jesus then came and took the bread and gave it to them, and likewise the fish.