Question by b: how do you turn tomato paste into tomato sauce? I know tomato sauce is sweeter than tomato paste but I know some of my real cooks can tell me how. Best answer: Answer by JjAdd cream and sugar until it’s the right consistency and taste you don’t need much of either though Know better? Leave your own answer in the comments! 4.25.09 Image by absenthero Colin at Sweet Tomatoes. Taken: Sweet Tomatoes – Gwinnett Place Mall ~ 6:30pm