You need the best possible ingredients
(We talk more about the ingredients in What Does a Home Cinema Cost)
You need to plan things out properly and take your time
You'll need trusted and proven recipes, and good tools
It’s ideal if you’ve done this before, and know what you’re doing
It’s a mixture of art and science - follow the science to make it work, but the measure is how it makes you feel
Great cakes are usually a modification of a previous successful cake
If you ignore the rules and add ingredients at random, you will get unpredictable results
And of course you need to whack the whole thing in the oven for thirty minutes at Gas Mark 4