There is an extra mushroom soup crafting recipe that consists of the same ingredients. I don't know if this was intentional or not, but you can craft mushroom soup with a brown and red mushroom, but there shouldn't be an extra crafting recipe that switches the mushrooms... :|
MCPE-11700
Extra mushroom soup crafting recipe
Resolved
Fixed
0
(Unassigned)
Unconfirmed
Tablet - Android - Samsung Galaxy Tab 2
Android Lollipop, and iOS 9, and Windows 10 PC, and Fire OS
0.12.0 Win 10, 0.12.1 Win10, 0.12.1, 0.12.2, 0.12.3, 0.13.0
0.14.1
Retrieved
The same thing happened with tripwire from the 0.13.0 beta. It's fixed now.