Caramelized Onions and Blue Cheese Burgers
Recipe of the Week: Burgers: 52 Easy Recipes for Year-round Cooking
Published by Houghton Mifflin Harcourt
Caramelizing onions takes a bit of time but the end result is sweet, rich and sensuous. Like Roasted Garlic , having some on hand can make a good dish even better (and certainly less time consuming). Feel free to substitute goat cheese or mozzarella cheese for the blue cheese.
Total Timeunder 2 hours
OccasionCasual Dinner Party, Family Get-together
Recipe Coursemain course
Taste and Texturecheesy, garlicky, herby, meaty, rich, savory, smoky, sweet
Type of Dishhamburger
- 2 tablespoons olive oil
- 2 large red, Spanish or sweet onions, thinly sliced
- 2 garlic cloves, minced or thinly sliced (optional)
- 1 tablespoon fresh rosemary leaves
- ½ teaspoon kosher salt, or more to taste
- 1½ to 1¾ pounds ground chuck
- 3 ounces blue cheese, crumbled, plus extra for topping
- 1 teaspoon kosher salt
- ½ to 1 teaspoon freshly ground black pepper
To make the caramelized onions:
Place a large skillet over low heat and when it is hot, add the oil. Add the remaining ingredients and cook, stirring only occasionally as necessary, until the onions are deeply browned and slightly gooey, about 40 minutes.
If the onions dry out, add water, 1 tablespoon at a time. Use immediately or cover and refrigerate for up to 2 days. (Yield: ¾ to 1 cup)
To make the burgers:
Place the beef on a work surface and divide into 4 balls of equal size.
Divide the blue cheese into 4 portions of equal size.
Using your thumb or the back of a tablespoon, make a shallow hole in each portion of beef and fill it with the blue cheese. Shape the burger and carefully seal the opening.
Form each into a patty about ¾ to 1 inch thick, tossing it back and forth between your hands. To ensure more even cooking, make a ½-inch indentation with your thumb in the center of the burger. Handle the patties as little as possible; do not work more than necessary.
Prepare a grill to medium-high. When the coals are glowing red, after 15 to 20 minutes, cover with the grate. After 5 minutes, use a wire brush to thoroughly clean the grate. Brush the grate with oil. When the coals are covered with pale gray ash and you can leave your hand 5 inches above the fire for 2 to 3 seconds, the coals are ready.
Sprinkle both sides of the burgers with the salt and pepper. Place the burgers on the grate and grill until well seared on both sides, about 5 minutes for medium rare or 6 minutes for medium.
Top with a few crumbles of cheese and let melt, if desired. Transfer to buns (or toast as shown) or a serving platter and serve immediately.
Alternatively, place a cast iron skillet over high heat and when it is hot but not smoking add the burgers to the dry pan. Cook until well seared on both sides, 8 to 10 minutes for medium rare or 10 to 12 minutes for medium.
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