Should crock pots boil?
Regarding this, can you put boiling water in slow cooker?
Try pouring boiling or very hot water into the slow cooker and then turning it to high heat. The water will help the slow cooker preheat even faster, as well as alleviate any concerns regarding heating it empty. Then just pour out the water before adding your ingredients.
Secondly, is it better to slow cook on low or high?
The only difference between the HIGH and LOW setting on a slow cooker is the amount of time it takes to reach the simmer point, or temperature at which the contents of the appliance are being cooked at. The LOW setting takes longer than the HIGH setting. This means most recipes can be cooked on either setting.
Reduce liquid when using a slow cooker Don't overfill your slow cooker, or it may start leaking out the top, and the food won't cook so well. Half to two-thirds full is ideal – certainly no more than three-quarters.