Swift Carrots can be purchased from the High Spirits Produce store, right next to where Koko is standing. They are for sale for 16 rupees each.
At any point if you want to know the recipe for Hasty Veggie Cream Soup, Link can find it in Adventure Log for the Koko's Kitchen side quest.
- ↑ Today's dinner is veggie cream soup! It's super nourishing and fortifying! Well, that's what they say, anyhow. It must be true! All you do is toss a swift carrot, rock salt, and fresh milk in a pot and stew it up. Then, voilà! So yummy! - Koko
- ↑ ...OH, NO! Koko is all out of swift carrots! But...Koko promised to make Cottla some hasty veggie cream soup... - Koko
- ↑ Koko promised to make Cottla some hasty veggie cream soup... But Koko has no swift carrots! Koko is supposed to be like a mother for Cottla... Koko is a bad big sister... - Koko