Here are a few polished ways to say it — you can pick the tone you like:
Warm & heartfelt
Keep this recipe safe — it’s truly a treasure on earth. I shared it with everyone who took the time to say hello to me.
Simple & sweet
This recipe is a real treasure. I shared it with those who greeted me — enjoy it and keep it close.
Friendly & casual
This recipe is a treasure! I sent it to everyone who said hello to me — enjoy 😊
Grateful tone
I consider this recipe a treasure on earth, and I shared it with the people who greeted me. I hope it brings you joy.
If you want it to sound more poetic, more casual, or short enough for a post or comment, tell me where you plan to use it.