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Categories:Viewed: 45 - Published at: 7 years ago
Ingredients
- 2 tablespoons olive oil
- 1 large onion, thinly sliced (about 3 cups)
- 2 chipotle peppers in adobo, finely chopped
- 2 cloves garlic, minced
- Kosher salt and freshly ground black pepper
- 1 1/2 pounds ground beef
- 4 ounces pepper jack cheese, cut into 12 equal pieces
- 1/4 cup ketchup
- 1 tablespoon balsamic vinegar
- 12 slider-size potato buns, split and toasted
Method
- Heat the oil in a large skillet over medium heat and add the onions, spreading them into an even layer.
- Cook, without stirring, until the edges of the onions are beginning to brown, 5 minutes.
- Stir the onions and continue to cook, stirring occasionally, until browned and caramelized, another 20 minutes.
- Add the chipotles, garlic, 1/2 teaspoon salt and 1/4 teaspoon pepper.
- Cook until fragrant and well combined, 1 to 2 minutes, and remove from the heat.
- Preheat the oven broiler.
- Divide the meat into 12 portions, about 2 ounces each.
- Form a patty around each piece of cheese and flatten to 2 1/2 to 3 inches in diameter.
- Put the wrapped patties on a foil-lined baking sheet and sprinkle all the patties with 3/4 teaspoon salt.
- Broil until the cheese is melted and the burgers are still a bit pink inside, about 6 minutes.
- The burgers will be cooked to at least medium in order to melt the cheese but still stay juicy.
- Mix the ketchup, balsamic and 1/4 teaspoon pepper in a small bowl.
- Brush the burgers with some of the ketchup sauce and divide the rest among the bottom halves of the buns.
- Place a burger on each bottom bun, top with some of the spicy onions and finish with a top bun.
- Serve warm.
