YOU SAID:

Mix a spoonful of butter with a cup of sugar and stir untill smooth

INTO JAPANESE

スプーン一杯のバターと砂糖のカップを混ぜ、滑らかになるまでかき混ぜる

BACK INTO ENGLISH

Mix a spoonful of butter and a cup of sugar and stir until smooth

INTO JAPANESE

スプーン一杯のバターと砂糖1杯を混ぜ合わせ、滑らかになるまでかき混ぜる

BACK INTO ENGLISH

Mix a spoonful of butter and a tablespoon of sugar and stir until smooth

INTO JAPANESE

スプーン一杯のバターと大さじ1杯の砂糖を混ぜ合わせ、滑らかになるまでかき混ぜる

BACK INTO ENGLISH

Mix a spoonful of butter with a tablespoon of sugar and stir until smooth

INTO JAPANESE

スプーン一杯のバターと大さじ1杯の砂糖を混ぜ、滑らかになるまでかき混ぜる

BACK INTO ENGLISH

Mix a spoonful of butter with a tablespoon of sugar and stir until smooth