Something extraordinary is happening on the food aisles of Costco warehouses across America in 2026 — and it goes well beyond the protein bars, energy drinks, and functional supplements that are generating so much category buzz. At the premium, gourmet, and internationally-inspired end of Costco's food assortment, a genuinely exciting culinary evolution is underway. Members who visit their local Costco in 2026 are finding a product landscape that would have seemed ambitious —