"Using sausage in burgers is a smart shortcut, because the meat is already seasoned. Plus: F&W's Grilling Guide..."
INGREDIENTS
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10 ounce(s) baby spinach
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2 tablespoon(s) extra-virgin olive oil, plus more for brushing
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2 clove(s) garlic, minced
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1 teaspoon(s) anchovy paste, optional
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Salt
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1 pound(s) sweet or hot Italian sausages, or a combination of both casings removed
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4 slice(s) of provolone cheese
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1/4 cup(s) sun-dried-tomato pesto
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4 round ciabatta rolls, split and toasted