I have given the cooking time for both cakes to be baked after each other, as most people may not have 2 ovens or 2 x 7" round tins. If you have 2 tins, then both cakes can be baked at the same time but will take at least 55 minutes. Again, test to see if both cakes are fully baked by inserting a skewer (sterilised knitting needle) and it should come out clear.