The Tourist Trap Reality: Time Out Market at Mercado da Ribeira has become Lisbon's most overhyped food destination. After visiting 47 European food markets, I can confirm this one prioritizes Instagram aesthetics over authentic cuisine. You'll pay €15 for mediocre sandwiches while standing shoulder-to-shoulder with cruise passengers who think bifana is pronounced 'beef-anna.'

The Local Alternative: Walk 5 minutes to Taberna Ideal (Rua Nova do Carvalho 8) where actual Portuguese families eat lunch. Their bifana — The real deal with properly seasoned pork and crusty bread — Costs €3.50. The francesinha here rivals Porto's versions for €8, and their daily seafood specials use fish that was swimming yesterday, not frozen in industrial kitchens.

Price Comparison: At Taberna Ideal, a full meal with wine runs €12-15. Time Out Market charges that for a single 'gourmet' hot dog. The math doesn't lie — Tourist venues bank on visitors who won't venture beyond their comfort zones. Smart travelers recognize when they're being played.

The Bigger Picture: This pattern repeats globally: La Boquería in Barcelona, Mercado San Miguel in Madrid, Borough Market in London. Once Condé Nast discovers a market, authentic vendors get priced out by concept restaurants targeting tourists. Seek out the neighborhood tascas where Portuguese grandmothers still argue over football and the house wine comes in unmarked bottles.