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Grilled Onion & Swiss Cheeseburger

published Thursday, July 8, 2021

Prep Time: 5 minutes

Cook Time: 20 minutes

Total Time: 25 minutes

Servings: 4

Whether you’re grilling for a crowd or just for the family, you’ll love this perfectly flavored Grilled Onion Swiss Burgers.



Step 1

Preheat a greased grill to medium heat.

Step 2

In a bowl, toss sliced onions with olive oil, salt and pepper.

Step 3

Cook onion on grill until they are softened and browned, stirring often, about 10 minutes. Set onions aside while you grill the beef patties.

Step 4

Cook beef patties until charred and fully cooked through, about 4-5 minutes per side. Adjust grill temperature as needed. Internal temperature should register 160°F on an instant read thermometer.

Step 5

Top beef patties with Swiss cheese during the last minute of cooking.

Step 6

To assemble burgers, add mayonnaise and mustard to buns and fill with lettuce, beef patties with cheese, and grilled onions.

Step 7

Serve burgers immediately.

Cook's Notes

If your grill has wide grates, cook onions in a grill basket or on a greased sheet of aluminum foil. No need to thaw beef patties before cooking.

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