ABSTRACT This study aims to determine the study of consumer acceptance of seaweed cup cake. Eucheuma cottonii seaweed is obtained from the Kodim market, Pekanbaru. This research was conducted using a one-factor completely randomized design (CRD) method with 4 treatment levels of 0%, 10%, 20% and 30%. The results of the study had a very significant effect on the organoleptic values includin…