Ingredients
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2 tbsp light mayonnaise
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2 tbsp ketchup
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1 tsp sweet pickle relish
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2 1/2 tsp Dijon mustard, divided
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1/8 tsp chipotle chili powder
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1 lb ground beef (93% lean)
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2 tsp Worcestershire sauce
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4 ( 3/4 oz.) sliced aged sharp Cheddar
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4 whole-wheat hamburger buns
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4 lettuce leaves
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4 tomato slices
Steps
1
Coat grill rack with nonstick cooking spray. Preheat grill to medium (300°F-350°F). For the sauce, in a small bowl combine mayonnaise, ketchup, relish, 1/2 teaspoon of the mustard, plus chipotle powder. Set aside.
2
In a medium bowl combine ground beef, remaining 2 teaspoons mustard, Worcestershire, and salt and pepper to taste; mix well. Form into 4 patties about 1/2-inch thick.
3
Grill, covered, 4-5 minutes per side or to desired doneness. During the last 2 minutes of grilling, top each patty with 1 cheese slice; grill until melted. Remove from grill.
4
Place buns, cut side down, on grill. Grill until lightly toasted. Spread sauce on cut sides of buns. Place burgers in buns, top with lettuce and tomato, and serve.