Honey-glazed grilled watermelon, from Sugarlaws. While this would get around raw watermelon allergies (sad, no?), I'd be afraid this would just kill the flavor of the watermelon. It's not easy to cook watermelon without killing its sweet, tasty soul.
Anaphylaxis 101 - "Anaphylaxis symptoms develop quickly, often within seconds or minutes. They may include the following: Abdominal pain Abnormal (high-pitched) breathing sounds Anxiety Chest discomfort or tightness Cough Diarrhea Difficulty breathing Difficulty swallowing Dizziness or light-headedness Hives, itchiness Nasal congestion Nausea or vomiting Palpitations Skin redness Slurred speech Swelling of the face, eyes, or tongue Unconsciousness Wheezing