Cures for a burnt tongue?

Suck ice. It’ll go away. Sounds like you had some lava like icing there.

Don’t worry. The mouth heals faster than almost any other part of the body (except the eyes). You’ll be fine.

I’ve heard honey can be soothing. It might be an old wives tale, but it can’t hurt! (and is tasty). Honestly, this late after getting burned, not much that you do is likely to help a whole lot. Take @Seek_Kolinahr‘s advice, the mouth heals fast. The white bump is probably akin to a scab, or some part of the healing process.

ice ice baby

or just wait 2–3 days on your own and it’ll be fine.

Aloe Vera juice? Mouths heal pretty fast fortunately.

And at this point your tongue must be healed I’m guessing

I don’t know what the bump is but I’ve had it before when I burnt my tongue and it went away after a while. Eat and drink cold and bland things for a while.