filled with; full of
Expresses doing something with a particular feeling or emotion, like 'with love' or 'with gratitude.'
This pattern means 'doing something filled with [noun]' where the noun is an emotion like love, thanks, or hope. It's used when you put effort or feeling into an action or creation.
It's common in set phrases like 心を込めて (with all one's heart) or 感謝を込めて (with gratitude). The noun must be something you can 'put into' an action—emotions, wishes, or intent.
This is a standard, spoken and written pattern. You can use it in everyday speech, but it often appears in writing or formal messages, like letters or speeches.