In the "Buying Everything in the Menu! (Mang Inasal edition)," the host takes on the challenge of purchasing and tasting every item available at Mang Inasal. The video showcases a variety of dishes, highlighting the restaurant's popular grilled meats, rice meals, and unique side dishes. As the host tries each item, they provide reactions and reviews, adding humor and enthusiasm to the experience. The video aims to entertain viewers while showcasing the diverse offerings of Mang Inasal, making it a fun culinary adventure.