Treasury of Scripture Knowledge
Then He took a [small] loaf of bread, and after He had given thanks to God, He broke it and gave [pieces] to His apostles, and said, "This is [i.e., represents] my [physical] body which is [to be] given for you; continue to do this [i.e., eat it regularly] to remember me by."
Then Jesus took the five loaves of bread and the two fish, and looking up to heaven, asked God's blessing on the food. [Then] He broke it [in pieces] and gave it to the disciples to distribute to the crowds.
The person who observes a certain day [as specially sacred], does so out of devotion to the Lord. And the person who eats [only certain foods] does so out of devotion to the Lord, for he is thankful to God [for what he eats]. And the person who refuses to eat [certain foods], does so out of devotion to the Lord and he is thankful to God [for what he does eat].
1 Timothy 4:4
For everything created by God is permitted [to be eaten] and nothing should be refused, if it is received with gratitude,