Stir so meat still remains at the bottom, but the sauces etc mix through.
Cook on high for 4 hours or low for 6 hours.
About 15 minutes before serving, combine corn flour with a small amount of water. Add to the slow cooker and stir in. Cook on high for 15 minutes to thicken.
Serve by itself with mashed potatoes or rice.
Recipe by Planning With Kids at https://planningwithkids.com/2012/05/14/slow-cooker-beef-casserole/