"I'm noticing that more and more children are being introduced to pureed dishes that are made with tahini, like hummus," Pongracic said. "People, rightly, think it's nutritious and it tastes good so it will be good for their child ... don't forget to ask what's in the food."
Middle Eastern sweets also contain seeds and nuts and should be avoided by those with nut allergies. Baklava, a pastry made of layers of thin fillo dough and drizzled with honey, often contains pistachios or walnuts.
Visit the ABCNews.com OnCall+ Allergy Center to get all your questions answered about food allergies as well as hay fever and sinusitis.