There are many pious families in India that will not eat until the food has first been offered to the Lord (at their altars).
This is a phenomenal tradition, and not just for the sake of it.
Of course it is more symbolic than real, because one wouldn’t expect the food to actually be eaten. But that is irrelevant.
Even when you are really ravenous, if you are able to put someone else (the Lord) above yourself first in the hunger chain, that is amazing.
Further, the idea is that you are taking care of the Lord, providing him with food, and not vice versa, given that we are constantly praying for accumulating more and more.
This is a wonderful break from the usual selfish infinite list of “I want”s. If you think about it deeply, we really aren’t giving anything to the Lord. And how can we? We are the ones who have got everything from Him in the first place! But such actions still serve as an outstanding conduit for expressing our gratitude.