Tai Gd mrng.Pls help 🎉me and tell me If i qNt yo mskd q/×kg sponge cske then how muchpremux should i take.Secondly if i sm msking chrissymas cake thgn how much premix anx how many grams fruits, should i take,so that 😮my cake will be exact 1/2 kg .waiting for ir teplyTIA