Dietary Guide

Shellfish-Free Dim Sum: Hidden Shrimp and Oyster Sauce

Dim sum is high-risk for shellfish avoidance because shrimp, dried shrimp, oyster sauce, and shared steamers appear in many dishes.

Overview

Dim sum is high-risk for shellfish avoidance because shrimp, dried shrimp, oyster sauce, and shared steamers appear in many dishes.

Dim sum works best as a shared small-plate meal, so balance across steamed, fried, baked, and starch-heavy items matters more than choosing a single "main" dish. Dim sum was already established in China by the Song dynasty, long before the modern cart-service version most diners picture today.

Better choices

  • Clearly plain vegetable dishes if verified
  • Egg tarts if bakery handling is acceptable
  • Plain congee if broth is verified
  • Steamed greens without oyster sauce

What to watch for

  • Har gow
  • Siu mai
  • Shrimp cheung fun
  • Turnip cake with dried shrimp
  • XO sauce
  • Oyster sauce vegetables

Cross-contact can happen through shared fryers, prep surfaces, tongs, and ladles even when the ingredient list looks safe. Packaged foods follow formal allergen-label rules, but restaurant dishes often depend on staff knowledge and recipe consistency instead of standardized labels. Sauces, broths, marinades, and garnish blends are some of the easiest places for allergens to stay undeclared on restaurant menus.

Useful phrase

我不能吃虾、蟹、蚝油或海鲜。请问这个有海鲜吗?

A phrase can help communication, but it cannot verify kitchen practice, sauce labels, or cross-contact.

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