A method of producing a diet carbonated soft drink comprising combining water and a sweetening amount of Rebaudioside D (Reb D) to produce Reb D sweetened water; injecting carbon dioxide into the Reb D sweetened water to produce carbonated Reb D sweetened water; combining the carbonated Reb D sweetened water with unsweetened syrup to form the diet carbonated soft drink. Alternatively, the method comprises combining water and a sweetening amount of Rebaudioside D (Reb D) to produce Reb D sweetened water; combining the Reb D sweetened water with syrup; injecting carbon dioxide into the combined Reb D sweetened water and syrup to produce the diet carbonated soft drink.