From my painful experience, the following are food items and dishes which should be avoided if you have a garlic intolerance or allergy. Some of these I enjoy preparing for myself, because I don't find they need garlic at all or I can use cooked/powdered garlic to minimize my potential for an intolerance reaction. However, I can rarely order them in a restaurant or eat them when prepared by others without questioning first if they have been make with raw/excessive/barely cooked garlic. Often it's just safer to avoid these items completely unless prepared in my home kitchen:
* Hummus (Middle Eastern chick pea dip, typically prepared with raw garlic)
* Baba ghanoush, falafel, tabouleh (more tasty Middle Eastern dips and snacks, but often loaded with garlic)
* Caesar salad (classic Caesar dressing calls for raw garlic - as do many restaurant vinaigrettes so ask before ordering)
* Salsa Fresca (chunky-style salsa, typically made with tomato, onion, cilantro, peppers and, yep - raw garlic)
* Guacamole (often prepared in restaurants with crushed raw garlic)
* Tomato Bruschetta (Italian toasted bread topping, often similar to salsa fresca with raw garlic)
* Broccoli Rabe (classically prepared with a heavy garlic and oil sauce)
* Korean "red sauce" or "chili sauce" (that vivid red stuff served on the side with Bi Bim Bap and other such dishes...it's loaded with raw garlic)
* Scampi or Fra Diavolo sauces (cooked, but often with excessive amounts of nearly-raw garlic)
* Most "Italian-American" cuisine. This is a particular rant of mine, because I've never had a garlic reaction in my four trips to Italy (Rome and north). Yet Italian-American food, such as you find at restaurant chains like Olive Garden, Carrabbas or Maggiano's Little Italy, are a minefield of excessive undercooked garlic usage. Proceed with caution when dining at any such establishment if you have a garlic intolerance or allergy.
* Obviously, any food item or dish that lists "garlic" prominently in the description! Dishes like "garlic mashed potatoes", "...served with a garlic white wine sauce", "garlic cream sauce", etc. Any time garlic makes an appearance right in a dish's name or description of prominent ingredients, it's a safe bet you won't be safe ordering it!