[header] How to make plum and raspberry cake [title] Pre-heat the oven to 350 degrees f , 180 degrees c, or on gas mark 4. [title] Make the cake mix. [step] Into the mixer bowl add the butter, the sugar, and the vanilla. 
Start the mixer on a low speed and combine the ingredients. After a minute, increase the speed to medium and mix until the mixture becomes pale, which should take 2-3 minutes.