Cake crafting

What I expected to happen was craft a cake and get back my 3 buckets

What actually happened was , I got my cake but my buckets disappeared.

Steps to Reproduce
1. Get all cake recipie ingredients (1 egg , 2 sugar , 3 wheat , 3 milk buckets)
2. Go to crafting table
3. Craft a cake
4. Look to your inventory;
5. There's only cake, no buckets