"Delicious and juicy burgers packed with flavor and grilled to perfection!..."
INGREDIENTS
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1 pound ground beef
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3 ounces sliced pancetta, finely chopped
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1 teaspoon minced garlic
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1/4 teaspoon pepper
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1/4 teaspoon salt
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1/4 cup mayonnaise
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1/4 cup prepared pesto, divided
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8 ounces mozzarella cheese, cut into 4 slices
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4 Italian Rolls, split
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1 cup fresh arugula or baby spinach