Step 1

Spray bottom of slow cooker with non stick spray

Step 2

Place corned beef with fat side up in slow cooker

Step 3

Spread mustard evenly on top of brisket, and add spices from packet

Step 4

Pour Guinness around the brisket

Step 5

Add potatoes and carrots

Step 6

Cook for 4-5 hours on high or 6-8 hours on low

Step 7

Add cabbage wedges the last 30 minutes of cooking time for just tender cabbage or the last hour for softer cabbage

Step 8

Remove corned beef, and allow to rest for 5 minutes.Slice against the grain and arrange on platter with vegetables