How Many Hazelnuts Per Oz? A Guide to Serving Size and Nutrition
                                
                                
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                                    3 min read                                
                            
                                According to the USDA, a standard one-ounce serving of shelled hazelnuts contains approximately 20 to 21 kernels. Understanding how many hazelnuts per oz can help you master portion control and enjoy this nutritious snack as part of a balanced diet.