| Category | Common Products Containing Tree Nuts | Hidden Tree Nut-Derived Ingredients |
| Processed Foods | Granola bars, protein bars, cereals, snack mixes | Nut flour (almond, walnut, hazelnut), chopped nuts in mixes |
| Baked Goods & Cereals | Cookies, cakes, pastries, muffins, flavored oats | Tree nut extracts, nut-based flours, nut milk additives |
| Chocolate & Confectionery | Chocolate bars, pralines, nut-filled candies, nougat | Hazelnut paste, almond paste, praline, nougat containing nuts |
| Nut Butter & Dairy Alternatives | Almond milk, cashew cheese, hazelnut spreads, nut butters | Cashew-based cream, almond-based yogurt, nut-based emulsifiers |
| Sauces & Condiments | Pesto (often contains pine nuts), salad dressings, nut-based sauces | Ground almonds in sauces, cashew-based cheese sauces, nut-thickened dressings |
| Oils & Cooking Ingredients | Almond oil, walnut oil, hazelnut oil, nut-based thickeners | Cold-pressed nut oils, nut-based emulsifiers in cooking sprays |
| Alcoholic Beverages & Flavored Drinks | Amaretto (almond liqueur), hazelnut coffee syrup, nut-flavored spirits | Natural almond or hazelnut flavoring, tree nut-based extracts in liqueurs |
Key Insights:
- Granola bars, cereals, and snack mixes may contain hidden nut flours, chopped nuts, or nut-based additives.
- Baked goods (cookies, pastries, muffins) often use almond flour, hazelnut flour, or nut extracts.
- Chocolate and confectionery products frequently contain hazelnut paste, almond paste, praline, or nut-based nougat.
- Dairy alternatives (almond milk, cashew cheese, hazelnut spreads) are common sources of tree nuts.
- Pesto, salad dressings, and nut-thickened sauces may contain pine nuts, cashew cream, or almond-based emulsifiers.
- Cold-pressed nut oils and nut-based cooking ingredients (e.g., almond oil, walnut oil) can be hidden sources of allergens.
- Nut-flavored alcoholic beverages, like Amaretto (almond liqueur) and hazelnut coffee syrup, contain tree nut derivatives.