I would not advise it. This is where you need a thermometer. The temperature of the roast should not go below 135°F - unless it is being served or heading to the fridge. 'Warm' on a crock pot might go below that which could permit pathogens to grow. The thermostat on crock pots is uncertain. I have one pot that boils on 'warm' and another that doesn't.
I have had a crock pot cooking overnight, but never on 'warm'.
The recommended cooking time for a pot roast using the warm setting on a crock pot is typically 8-10 hours.
The recommended roast temperature for cooking a turkey is 325F.
The recommended roast temperature when cooking a turkey is 325F.
Two or three hours should not hurt it. Maybe longer, but why delay?
When cooking Roast beef, its usually 20 minutes per pound at 350 degrees.
Add potatoes to a slow cooker roast during the last 2-3 hours of cooking to prevent them from becoming too mushy.
The recommended internal temperature for cooking a pork roast is 145F (63C).
Potatoes should be added to a roast in a crock pot during the last 2-3 hours of cooking to prevent them from becoming too mushy.
Add potatoes and carrots to the pot roast in the crock pot during the last 1-2 hours of cooking to ensure they are tender but not overcooked.
The recommended temperature for cooking a chuck roast sous vide is 135F to 140F.
It's generally recommended to leave kitchen string on roast lamb while cooking, as it helps maintain the shape and ensures even cooking. The string keeps the meat tight and prevents it from falling apart during roasting. Just remember to remove the string before serving for a more appealing presentation.
Slow roast