"Kick off your summer party grilling with Parmesan Buffalo Burgers with Balsamic Ketchup. Ground buffalo has fewer calories and half the fat of lean beef but boasts big meaty flavor. And slow-roasted tomatoes in the Balsamic Ketchup intensifies their sweetness...."
INGREDIENTS
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BURGERS:
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1 tablespoon extra-virgin olive oil
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1/4 teaspoon kosher salt
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1/4 teaspoon freshly ground black pepper
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1 pound lean ground buffalo or bison
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1 ounce grated Parmigiano-Reggiano cheese (about 1/4 cup)
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Cooking spray
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4 (1 1/2-ounce) hamburger buns, toasted
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1 cup baby arugula
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4 thin slices red onion
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4 tablespoons Balsamic Ketchup