INGREDIENTS
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4 medium sweet potatoes (about 1 1/2 lb.), peeled, cut lengthwise into 1/2-inch-wide wedges
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1/4 cup canola oil
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1 tablespoon packed light brown sugar
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1/2 teaspoon ground cumin
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1/8 teaspoon cayenne pepper
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Salt and pepper
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1/2 cup canned black beans (rinse and drain before measuring)
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1 pound lean ground sirloin
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1/2 teaspoon salt
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1/4 teaspoon pepper
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4 romaine lettuce leaves
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4 slices tomato
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4 English muffins, halved horizontally