Sirloin of beef in a slow cooker?

[Shookethtothecore]

Do I need to put liquid in with it? I’ve never done a roast in a slow cooker before but it would free up my oven and I’ve heard good things

I put 150ml of red wine, 1 oxo cube and salt/pepper on medium for 8 hours

Great thank you

Put it on low heat , I find otherwise it drys it out

Will do