When I think of Thanksgiving I think about food–and so does Paul. Note the correlations between giving thanks to the Creator and enjoying a delicious feast:
1 Timothy 4:1–5:
Now the Spirit expressly says that in later times some will depart from the faith by devoting themselves to deceitful spirits and teachings of demons, through the insincerity of liars whose consciences are seared, who forbid marriage and require abstinence from foods that God created to be received with thanksgiving by those who believe and know the truth. For everything created by God is good, and nothing is to be rejected if it is received with thanksgiving, for it is made holy by the word of God and prayer.
Hans Conzelmann (TDNT):
1 Tm. 4:3f attacks the Gnostically based demand for asceticism in meats by pointing to the custom of grace at meals, which is here connected with faith in God as the Creator. No laws can be set up in terms of foods. The norm is the attitude towards God. In this sense thanksgiving is the condition of enjoyment.