San Francisco’s cake picnic had just one requirement for admittance: “no cake, no entry.” A woman baked one of more than 600 cakes there and took to social media to share her journey, which ended in a “cake coma.” San Francisco’s cake picnic had just one requirement for admittance: “no cake, no entry.” A woman baked one of more than 600 cakes there and took to social media to share her journey, which ended in a “cake coma.”