Today you will get a lot of tips on how to remove hard caramel fast. You can watch in this reel how I do it. The short answer is: you need (boiling) water and a bit of time. This is possible without any hardcore scrubbing. In addition, you will find my favorite recipe for caramel below plus a lot of recipe ideas using caramel.
I will explain below how you get from the picture on the left to the picture on the right within five minutes
Below is also a recipe for homemade caramel