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Corned Beef Grilled Cheese
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5 from 3 votes

Corned Beef Grilled Cheese

Gooey melted cheese, caramelized onions cooked in beer, and salty corned beef make this the perfect St. Patrick's Day grilled cheese.
Course Sandwich
Cuisine American
Prep Time 5 minutes
Cook Time 30 minutes
Total Time 35 minutes
Servings 4
Calories 543kcal
Author Christin Mahrlig


  • 1 1/2 tablespoons butter
  • 2 medium yellow onion, thinly sliced
  • 1 1/2 tablespoons sugar
  • 1/8 teaspoon caraway seeds, optional
  • salt and pepper
  • 1 cup dark beer, I used Samuel Adams Black Lager
  • 8 ounces deli-sliced corn beef, cut into strips
  • 1 tablespoon Worcestershire sauce
  • 1 tablespoon whole-grain mustard
  • 2 cups shredded Jarlsberg or Fontina cheese
  • 8 slices marble rye bread
  • butter for grilling sandwiches


  • Melt 1 1/2 tablespoons butter in a large pan over medium heat. Add onion and sprinkle with sugar, 1/2 teaspoon salt and 1/4 teaspoon pepper. Cook until soft and golden, stirring occasionally, about 10 to 15 minutes.
  • Add beer and continue cooking until liquid turns slightly syrupy, about 8 to 10 more minutes. Remove from heat and stir in Worcestershire sauce and mustard. Mix in the corned beef slices.
  • On 4 slices of bread, layer the cheese, and corned beef and onion mixture. Top with the remaining 4 slices of bread.
  • On a griddle or large pan, melt some butter and grill the sandwiches until lightly browned and crispy on both sides and cheese is melted.


Calories: 543kcal