Here is the full list of all 17 Cook Serve Forever achievements.
Finished a day at the Sunset Meadow.
Finished a day in the Helianthus Public Library.
Earn the Shrine of Rhubarb holographic sticker.
Earn five holographic location stickers.
Get 14 or more XP tokens in a single day.
Earn a location sticker.
Earn a holographic location sticker.
Earn three location stickers.
Earn ten location stickers.
Earn all location stickers in West Helianthus.
Thanks mom. <3
Another shift complete in Moraine.
Yes, uh, tranquillitas.
Finished a day in the Church of the Sun God.
Dishin' Justice.
Reach LV5 in any location.