Romans 14:6
and he that regardeth not the day, to the Lord he doth not regard it. And he that eateth, eateth to the Lord, for he giveth thanks to God; and he that doth not eat, to the Lord he doth not eat, and giveth thanks to God.
Matthew 14:19
And bidding the multitudes to lie down on the grass, he took the five loaves and the two fishes, and, looking up to heaven, he blessed; and having broken the loaves he gave them to his disciples, and the disciples to the multitudes.
Matthew 15:36
he took the seven loaves and the fishes, and gave thanks, and broke, and gave them to the disciples, and the disciples to the multitudes.
1 Corinthians 10:30-31
If I partake with thankfulness, why am I to be evil spoken of in a matter for which I give thanks?
John 6:28
Then they said to him, What are we to do, that we may work the works of God?
Galatians 4:10
Do ye observe days, and months, and times, and years?
1 Timothy 4:3-5
forbidding to marry, and commanding to abstain from food which God created to be received with thanksgiving, for those who believe and know the truth.