いただきます
bɔ̃n apeti mɔʁ bʁɔadli byt dʌzənt kaptyʁ ðə ɡʁatityd
In French Bon appétit (more broadly, but doesn't capture the gratitude)
A phrase said before a meal to express gratitude to the provider, the ingredients, and life itself.
Example
"さあ、いただきます!"