The young man did as the angel commanded him. Then they cooked the fish and ate it.
And for Susanne, since you don't have Tobit. There's not verse 30 in the fourth chapter, so this is 4:21:
Do not fear, my son, that we have become poor. For you are very rich if you fear God. Stay away from every sin, and do what is pleasing before Him.
Ah, Tobit is one of my favorite books of the Bible.