INGREDIENTS
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1 ounce (2 tablespoons) unsalted butter
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1 garlic clove, smashed
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2 small bunches collard greens (about 1 1/2 pounds), stems removed, leaves cut crosswise into 1/2-inch strips
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3/4 cup homemade or store-bought low-sodium chicken stock
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Coarse salt and freshly ground pepper
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1 1/2 teaspoons finely grated lemon zest
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2 teaspoons fresh lemon juice
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Lemon wedges, for serving