Correct options:
* "This carrot tastes the best." This is the most common and grammatically correct way to say it. "Tastes" is the correct verb form when referring to a singular subject.
* "This carrot tastes better than the others." This provides a comparison.
* "This carrot is the best-tasting." This uses an adjective to describe the carrot.
Let me know if you'd like more examples! 🥕