Cheddar Burgers with Balsamic Onions and Chipotle Ketchup |
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Prep Time: 0 Minutes Cook Time: 0 Minutes |
Ready In: 0 Minutes Servings: 6 |
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The all-American cheeseburger gets a makeover, courtesy of grilled onions, a spicy-smoky ketchup, and an English muffin bun. Ingredients:
1 pound red onions, cut crosswise into 1/3- to 1/2-inch-thick rounds |
olive oil |
3/4 teaspoon coarse kosher salt |
1/2 teaspoon coarsely ground black pepper |
2 tablespoons balsamic vinegar |
1 cup ketchup |
1 1/2 teaspoons chopped chipotle chiles from canned chipotles in adobo* plus 2 tablespoons adobo sauce from can |
2 teaspoons (or more) balsamic vinegar |
2 1/4 pounds ground beef (15% to 20% fat) |
coarse kosher salt |
6 thick slices sharp cheddar cheese |
6 large english muffins or hamburger buns, split, cut sides grilled |
6 tomato slices (optional) |
2 cups fresh spinach leaves |
Directions:
1. For onions:Prepare barbecue (medium-high heat): Arrange onion rounds on baking sheet. Brush with oil; sprinkle with 3/4 teaspoon coarse salt and pepper. Transfer onion rounds (still intact) to grill rack; close cover. Cook until grill marks appear, about 4 minutes per side. Reduce heat or move onions to cooler part of grill. Close cover; cook until onions are tender, about 10 minutes. Transfer to medium bowl. Toss with vinegar. DO AHEAD: Can be made 3 days ahead. Cover; chill.
2. For chipotle ketchup: Mix ketchup, chiles, adobo sauce, and 2 teaspoons vinegar in small bowl. Season with salt and more vinegar, if desired. do a h e a d Can be made 3 days ahead. Cover and chill.
3. For burgers: Shape beef into six 1/2-inch thick patties. Sprinkle patties on both sides with coarse salt and pepper. Prepare barbecue (medium-high heat). Place burgers on grill. Close cover; cook burgers until bottoms start to darken and juices rise to surface, about 3 minutes. Turn burgers; cook to desired doneness, about 3 minutes longer for medium-rare. Top with onions and cheese. Close cover; cook until cheese melts. Place muffin bottoms on plates; spread with ketchup. Top with burgers, tomatoes, if desired, spinach, and muffin tops. Serve, passing remaining ketchup separately.
4. *Dried, smoked jalapeños in a spicy tomato sauce called adobo; available at some supermarkets and at specialty foods stores and Latin markets.
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