How do you make a cake in survival mode?

but in crafting table says it have cake receipt

You can to make a cake in pocket edition

1 egg 2 sugar 3 milk 3 wheat

you need iron to make a bucket and then you tap on a cow and milk it.
capture a chicken it will lay eggs the more chickens the more eggs.
dig though grass until you get some seed craft a hoe tap on some dirt put water around it using a water bucket plant the seeds and wait for them to grow.
TRICK: use bone meal to make it grow instantly you need to kill a skeleton which should drop bones that you simply craft into bone meal.
it would have finished growing when it is yellow so leave it for a long time to be sure.
the most hardest part is to find some sugar can which you craft into sugar.
sugar cane will only grow rite next to water there is normally some near villages.
craft this all together in a crafting table and wa la

You get wheat seeds and beetroot seeds by using any type of hoe, on grass blocks. Just tap once and you'll get a patch of dirt. Every 4 to 6 swipes you get wheat seeds, once in awhile you get beetroot seeds. Hoe your grass and plant your seeds.