Romans 14:6
He that regardeth a day regardeth it to the Lord; and he that regardeth not the day, in deference to the Lord he doth not regard it. So he, that eateth all sorts of food, eateth to the Lord; for he giveth God thanks for it; and he that eateth not of some kinds of food, in deference to the Lord he eateth not, and giveth God thanks for the rest.
Matthew 14:19
And having ordered the multitudes to sit down upon the grass, and taken the five loaves and the two fishes, He looked up to heaven and blessed them; and He brake the loaves and gave them to the disciples, and the disciples to the people: and they did all eat, and were satisfied;
Matthew 15:36
and taking the seven loaves and the fishes, when He had given thanks, He brake them, and gave to his disciples, and the disciples to the multitude.
1 Corinthians 10:30-31
And if I partake with thankfulness, why am I blamed for that, for which I give thanks?
John 6:28
Therefore said they unto Him, What should we do, that we may work the works approved of God?
Galatians 4:10
Ye observe days, and months, and times, and years:
1 Timothy 4:3-5
and enjoining abstinence from meats, which God hath created to be received with thanksgiving by those that believe and know the truth.