How many hazelnuts are in 1 ounce? A detailed serving guide
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3 min read
According to USDA data cited by nutrition experts, a standard one-ounce (28g) serving of hazelnuts contains approximately 21 whole kernels. This measurement serves as a reliable benchmark for figuring out how many hazelnuts are in 1 ounce and controlling your portion sizes, although the precise number can vary slightly depending on the nuts' size and variety.