This document provides a recipe for making homemade Gunkan Spicy Ahi (spicy tuna served in a rice "warship") at a significant cost savings compared to purchasing it from restaurants. It lists all needed ingredients and supplies and provides step-by-step instructions. The author estimates that making 30 pieces at home for around $31.68 saves over $10 compared to buying the same amount from restaurants for approximately $42 after tax. Overall, the summary encourages readers to save money by making their own sushi for parties at home.