Pad Thai is a popular Thai dish that originated in Bangkok. It is made with stir-fried rice noodles, eggs, tofu, shrimp or chicken, bean sprouts, and crushed peanuts. The dish is typically flavored with tamarind paste, fish sauce, and lime juice, giving it a perfect balance of sweet, sour, and savory flavors. Pad Thai is a must-try when visiting Bangkok, as it represents the essence of Thai street food.