INGREDIENTS
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1/4 cup olive oil
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1 cup finely chopped onion (about 5 ounces)
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4 to 6 cloves garlic, minced
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1 bunch Swiss chard (about 12 ounces), leaves and stalks separated and both chopped into small pieces
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1 14-ounce can artichoke hearts (packed in water), drained and rinsed, chopped into small pieces
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4 ounces cream cheese (half of an 8-ounce package), softened
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1/2 cup sour cream
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1/4 cup mayonnaise
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1½ cups finely grated Pecorino Romano (or parmesan) cheese (about 4 ounces)
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2 teaspoons Worcestershire sauce
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Salt and pepper to taste
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Chopped scallions or chives for garnish (optional)