Translation of jelly in Spanish

Food was excellent, but unfortunately my wife could not eat it as it came with too much curry and she is sensitive to it. We were very tired and returned to the hotel around eleven o'clock.
We joined the mass and climbed it. The stones were a little slippery and I doubt that this place is accident free. Climbing big slippery stones was not an easy task but we managed it slowly.
I'm writing you in English because I don't have a lot of time and writing in German will take me a long time. Just a few corrections: you can not say in English How you do, you need to say How do you do...