Corned Beef Grilled Cheese Sandwich with Guinness Caramelized Onions

Step 1

Heat the oil in a pan over medium-low heat, add the onions and saute until tender, about 10 minutes.

Step 2

Add 1/4 cup Guinness, and cook until the liquid has mostly evaporated, about 10 minutes, and repeat three more times.

Step 3

Remove from heat and mix in the Worcestershire sauce and grainy mustard.

Step 4

Butter the outside of each slice of bread, sprinkle half of the cheese on the inside of one slice of bread, top with half of the onions, the corned beef, the remaining onions, cheese and finally the other slice of bread.

Step 5

Grill in a pan, preheated over medium heat, until golden brown on both sides and the cheese has melted, about 2-4 minutes per side.

Step 6

Heat the oil in a pan over medium-low heat, add the onions and saute until tender, about 10 minutes.

Step 7

Add 1/4 cup Guinness, and cook until the liquid has mostly evaporated, about 10 minutes, and repeat three more times.

Step 8

Remove from heat and mix in the Worcestershire sauce and grainy mustard.

Step 9

Butter the outside of each slice of bread, sprinkle half of the cheese on the inside of one slice of bread, top with half of the onions, the corned beef, the remaining onions, cheese and finally the other slice of bread.

Step 10

Grill in a pan, preheated over medium heat, until golden brown on both sides and the cheese has melted, about 2-4 minutes per side.