Cake and buckets when you craft you don't get the buckets back

Put the summary of the bug you're having here
When cake is crafted the buckets are gone

What I expected to happen was...: getting all three buckets when crafted cake
Describe what you thought should happen here you should get all three buckets back when crafting cake like musroom stew

What actually happened was...:. All my buckets were gone when crafting cake
Describe what happened here. All the buckets were gone when crafting cake that was 9 iron ingots or one iron block

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here. You should get all your buckets back
2. ... Then use them for another purpose
3. ... After that I should make a cake with all my buckets in return