You should give thanks for your food before receiving it.

Acts 27:35

After he said this, he took some bread and gave thanks to God in front of them all. Then he broke it and began to eat

Avoid fat.

Leviticus 7:23

Say to the Israelites: 'Do not eat any of the fat of cattle, sheep or goats.'

Fruits and Veggies are good.

Genesis 1:29

Then God said, "I give you every seed-bearing plant on the face of the whole earth and every tree that has fruit with seed in it. They will be yours for food.