Where are hazelnuts found?
Hazelnuts can be found in a host of food products such as cookies, pralines, chopped nut blends, nut spreads, cakes, pastries, chocolates, confectionary products, ice creams, breakfast cereals, and breads. Plus hazelnut oil can be used in cooking.7
The following items may contain tree nuts and seeds:4 baked goods, baking mixes, barbeque and pesto sauces, cereals, chocolates, pralines, crackers, dressings, gravies, flavored coffees, frozen desserts, muesli, nougats, almond chicken, pad thai, chili and trout amandines and giandujas (i.e., chocolate blended with hazel nuts), marzipans (i.e., almond paste), almond milks, nut milks, tree nut oils, spreads (e.g., cheese spreads and chocolate nut spreads such as Nutella, which contains hazelnuts), vegetarian dishes, Indian curries, Asian dishes, pastas, liqueurs (e.g., amaretto and Frangelico), natural flavorings and extracts (e.g., pure almond extract), salads, trail mixes, and snack foods.
Also note that the words "natural flavors" and "botanicals" may indicate the presence of nuts or nut flavorings.5 Asian restaurants can be especially problematic because they often use nuts and seeds in their cuisine, and since pans may be used for multiple meal preparations, there's an inherent risk for cross-contamination.8
Nonfood items that may contain tree nuts include:4 bean bags, bird seeds, cosmetics, hair care products, sunscreens, massage oils, and pet foods. In particular, oil from some hazelnuts has been used in food products, perfumes, and soaps.3