How much peanut butter equals 1 ounce?
                                
                                
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                                    4 min read                                
                            
                                According to USDA MyPlate guidelines, 1 tablespoon of peanut butter is considered an ounce equivalent within the protein foods group, but standard kitchen conversions are more precise for recipes. The exact measurement for how much peanut butter equals 1 ounce can be surprisingly complex, as it depends on whether you are measuring by weight or by volume.